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Finding the Fourth Proportional to 17,911.77, 24,686.12 and 14,565.66

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Solution

The fourth proportional to 17,911.77, 24,686.12 and 14,565.66 is: 20,074.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,911.77 : 24,686.12 = 14,565.66 : x
  2. Step 2: Convert to fraction form
    17,911.77/24,686.12 = 14,565.66/x
  3. Step 3: Cross multiply
    17,911.77x = 24,686.12 × 14,565.66
  4. Step 4: Simplify right side
    17,911.77x = 359,569,557.81
  5. Step 5: Solve for x
    x = 359,569,557.81/17,911.77
  6. Step 6: Final answer
    x = 20,074.48

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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.