Home / 15,985.92-22,052.46-10,688.52

Finding the Fourth Proportional to 15,985.92, 22,052.46 and 10,688.52

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Solution

The fourth proportional to 15,985.92, 22,052.46 and 10,688.52 is: 14,744.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,985.92 : 22,052.46 = 10,688.52 : x
  2. Step 2: Convert to fraction form
    15,985.92/22,052.46 = 10,688.52/x
  3. Step 3: Cross multiply
    15,985.92x = 22,052.46 × 10,688.52
  4. Step 4: Simplify right side
    15,985.92x = 235,708,159.76
  5. Step 5: Solve for x
    x = 235,708,159.76/15,985.92
  6. Step 6: Final answer
    x = 14,744.74

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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.