Home / 14,459.18-21,684.51-6,139.13

Finding the Fourth Proportional to 14,459.18, 21,684.51 and 6,139.13

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Solution

The fourth proportional to 14,459.18, 21,684.51 and 6,139.13 is: 9,206.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,459.18 : 21,684.51 = 6,139.13 : x
  2. Step 2: Convert to fraction form
    14,459.18/21,684.51 = 6,139.13/x
  3. Step 3: Cross multiply
    14,459.18x = 21,684.51 × 6,139.13
  4. Step 4: Simplify right side
    14,459.18x = 133,123,917.45
  5. Step 5: Solve for x
    x = 133,123,917.45/14,459.18
  6. Step 6: Final answer
    x = 9,206.88

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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.