Home / 13,717.52-18,929.19-8,052.50

Finding the Fourth Proportional to 13,717.52, 18,929.19 and 8,052.50

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Solution

The fourth proportional to 13,717.52, 18,929.19 and 8,052.50 is: 11,111.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,717.52 : 18,929.19 = 8,052.50 : x
  2. Step 2: Convert to fraction form
    13,717.52/18,929.19 = 8,052.50/x
  3. Step 3: Cross multiply
    13,717.52x = 18,929.19 × 8,052.50
  4. Step 4: Simplify right side
    13,717.52x = 152,427,273.52
  5. Step 5: Solve for x
    x = 152,427,273.52/13,717.52
  6. Step 6: Final answer
    x = 11,111.87

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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.