Home / 16,030.13-22,121.16-8,956.61

Finding the Fourth Proportional to 16,030.13, 22,121.16 and 8,956.61

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Solution

The fourth proportional to 16,030.13, 22,121.16 and 8,956.61 is: 12,359.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,030.13 : 22,121.16 = 8,956.61 : x
  2. Step 2: Convert to fraction form
    16,030.13/22,121.16 = 8,956.61/x
  3. Step 3: Cross multiply
    16,030.13x = 22,121.16 × 8,956.61
  4. Step 4: Simplify right side
    16,030.13x = 198,130,492.26
  5. Step 5: Solve for x
    x = 198,130,492.26/16,030.13
  6. Step 6: Final answer
    x = 12,359.88

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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.