Home / 16,666.24-22,999.68-9,213.76

Finding the Fourth Proportional to 16,666.24, 22,999.68 and 9,213.76

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Solution

The fourth proportional to 16,666.24, 22,999.68 and 9,213.76 is: 12,715.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,666.24 : 22,999.68 = 9,213.76 : x
  2. Step 2: Convert to fraction form
    16,666.24/22,999.68 = 9,213.76/x
  3. Step 3: Cross multiply
    16,666.24x = 22,999.68 × 9,213.76
  4. Step 4: Simplify right side
    16,666.24x = 211,913,531.60
  5. Step 5: Solve for x
    x = 211,913,531.60/16,666.24
  6. Step 6: Final answer
    x = 12,715.14

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1.5x scale

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.