Home / 23,330.40-32,196.27-12,720.18

Finding the Fourth Proportional to 23,330.40, 32,196.27 and 12,720.18

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Solution

The fourth proportional to 23,330.40, 32,196.27 and 12,720.18 is: 17,554.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,330.40 : 32,196.27 = 12,720.18 : x
  2. Step 2: Convert to fraction form
    23,330.40/32,196.27 = 12,720.18/x
  3. Step 3: Cross multiply
    23,330.40x = 32,196.27 × 12,720.18
  4. Step 4: Simplify right side
    23,330.40x = 409,542,349.73
  5. Step 5: Solve for x
    x = 409,542,349.73/23,330.40
  6. Step 6: Final answer
    x = 17,554.02

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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.