Home / 23,515.09-32,451.22-12,905.71

Finding the Fourth Proportional to 23,515.09, 32,451.22 and 12,905.71

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Solution

The fourth proportional to 23,515.09, 32,451.22 and 12,905.71 is: 17,810.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,515.09 : 32,451.22 = 12,905.71 : x
  2. Step 2: Convert to fraction form
    23,515.09/32,451.22 = 12,905.71/x
  3. Step 3: Cross multiply
    23,515.09x = 32,451.22 × 12,905.71
  4. Step 4: Simplify right side
    23,515.09x = 418,806,034.47
  5. Step 5: Solve for x
    x = 418,806,034.47/23,515.09
  6. Step 6: Final answer
    x = 17,810.10

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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.