Home / 14,011.92-21,008.16-6,610.14

Finding the Fourth Proportional to 14,011.92, 21,008.16 and 6,610.14

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Solution

The fourth proportional to 14,011.92, 21,008.16 and 6,610.14 is: 9,910.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,011.92 : 21,008.16 = 6,610.14 : x
  2. Step 2: Convert to fraction form
    14,011.92/21,008.16 = 6,610.14/x
  3. Step 3: Cross multiply
    14,011.92x = 21,008.16 × 6,610.14
  4. Step 4: Simplify right side
    14,011.92x = 138,866,878.74
  5. Step 5: Solve for x
    x = 138,866,878.74/14,011.92
  6. Step 6: Final answer
    x = 9,910.62

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1.5x scale

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.