Home / 23,330.74-32,196.84-12,720.82

Finding the Fourth Proportional to 23,330.74, 32,196.84 and 12,720.82

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Solution

The fourth proportional to 23,330.74, 32,196.84 and 12,720.82 is: 17,554.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,330.74 : 32,196.84 = 12,720.82 : x
  2. Step 2: Convert to fraction form
    23,330.74/32,196.84 = 12,720.82/x
  3. Step 3: Cross multiply
    23,330.74x = 32,196.84 × 12,720.82
  4. Step 4: Simplify right side
    23,330.74x = 409,570,206.21
  5. Step 5: Solve for x
    x = 409,570,206.21/23,330.74
  6. Step 6: Final answer
    x = 17,554.96

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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.