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Finding the Fourth Proportional to 14,581.40, 21,882.90 and 10,693.40

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Solution

The fourth proportional to 14,581.40, 21,882.90 and 10,693.40 is: 16,048.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,581.40 : 21,882.90 = 10,693.40 : x
  2. Step 2: Convert to fraction form
    14,581.40/21,882.90 = 10,693.40/x
  3. Step 3: Cross multiply
    14,581.40x = 21,882.90 × 10,693.40
  4. Step 4: Simplify right side
    14,581.40x = 234,002,602.86
  5. Step 5: Solve for x
    x = 234,002,602.86/14,581.40
  6. Step 6: Final answer
    x = 16,048.02

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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.