Home / 13,666.52-18,861.12-8,000.93

Finding the Fourth Proportional to 13,666.52, 18,861.12 and 8,000.93

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Solution

The fourth proportional to 13,666.52, 18,861.12 and 8,000.93 is: 11,042.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,666.52 : 18,861.12 = 8,000.93 : x
  2. Step 2: Convert to fraction form
    13,666.52/18,861.12 = 8,000.93/x
  3. Step 3: Cross multiply
    13,666.52x = 18,861.12 × 8,000.93
  4. Step 4: Simplify right side
    13,666.52x = 150,906,547.99
  5. Step 5: Solve for x
    x = 150,906,547.99/13,666.52
  6. Step 6: Final answer
    x = 11,042.06

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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.