Home / 15,956.89-22,017.16-9,242.11

Finding the Fourth Proportional to 15,956.89, 22,017.16 and 9,242.11

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Solution

The fourth proportional to 15,956.89, 22,017.16 and 9,242.11 is: 12,752.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,956.89 : 22,017.16 = 9,242.11 : x
  2. Step 2: Convert to fraction form
    15,956.89/22,017.16 = 9,242.11/x
  3. Step 3: Cross multiply
    15,956.89x = 22,017.16 × 9,242.11
  4. Step 4: Simplify right side
    15,956.89x = 203,485,037.71
  5. Step 5: Solve for x
    x = 203,485,037.71/15,956.89
  6. Step 6: Final answer
    x = 12,752.18

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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.