Home / 35,905.71-53,883.17-12,532.15

Finding the Fourth Proportional to 35,905.71, 53,883.17 and 12,532.15

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Solution

The fourth proportional to 35,905.71, 53,883.17 and 12,532.15 is: 18,806.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,905.71 : 53,883.17 = 12,532.15 : x
  2. Step 2: Convert to fraction form
    35,905.71/53,883.17 = 12,532.15/x
  3. Step 3: Cross multiply
    35,905.71x = 53,883.17 × 12,532.15
  4. Step 4: Simplify right side
    35,905.71x = 675,272,091.10
  5. Step 5: Solve for x
    x = 675,272,091.10/35,905.71
  6. Step 6: Final answer
    x = 18,806.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.