Home / 23,331.71-32,196.95-12,721.13

Finding the Fourth Proportional to 23,331.71, 32,196.95 and 12,721.13

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Solution

The fourth proportional to 23,331.71, 32,196.95 and 12,721.13 is: 17,554.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,331.71 : 32,196.95 = 12,721.13 : x
  2. Step 2: Convert to fraction form
    23,331.71/32,196.95 = 12,721.13/x
  3. Step 3: Cross multiply
    23,331.71x = 32,196.95 × 12,721.13
  4. Step 4: Simplify right side
    23,331.71x = 409,581,522.95
  5. Step 5: Solve for x
    x = 409,581,522.95/23,331.71
  6. Step 6: Final answer
    x = 17,554.72

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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.