Home / 18,017.86-24,876.57-11,740.90

Finding the Fourth Proportional to 18,017.86, 24,876.57 and 11,740.90

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Solution

The fourth proportional to 18,017.86, 24,876.57 and 11,740.90 is: 16,210.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,017.86 : 24,876.57 = 11,740.90 : x
  2. Step 2: Convert to fraction form
    18,017.86/24,876.57 = 11,740.90/x
  3. Step 3: Cross multiply
    18,017.86x = 24,876.57 × 11,740.90
  4. Step 4: Simplify right side
    18,017.86x = 292,073,320.71
  5. Step 5: Solve for x
    x = 292,073,320.71/18,017.86
  6. Step 6: Final answer
    x = 16,210.21

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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.