Home / 23,330.91-32,196.08-12,720.75

Finding the Fourth Proportional to 23,330.91, 32,196.08 and 12,720.75

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Solution

The fourth proportional to 23,330.91, 32,196.08 and 12,720.75 is: 17,554.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,330.91 : 32,196.08 = 12,720.75 : x
  2. Step 2: Convert to fraction form
    23,330.91/32,196.08 = 12,720.75/x
  3. Step 3: Cross multiply
    23,330.91x = 32,196.08 × 12,720.75
  4. Step 4: Simplify right side
    23,330.91x = 409,558,221.06
  5. Step 5: Solve for x
    x = 409,558,221.06/23,330.91
  6. Step 6: Final answer
    x = 17,554.32

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Half scale
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Double scale
Find fourth proportional to 23,331.91, 32,197.45 and 12,721.75
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.