Home / 26,229.04-36,191.84-15,618.40

Finding the Fourth Proportional to 26,229.04, 36,191.84 and 15,618.40

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Solution

The fourth proportional to 26,229.04, 36,191.84 and 15,618.40 is: 21,550.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,229.04 : 36,191.84 = 15,618.40 : x
  2. Step 2: Convert to fraction form
    26,229.04/36,191.84 = 15,618.40/x
  3. Step 3: Cross multiply
    26,229.04x = 36,191.84 × 15,618.40
  4. Step 4: Simplify right side
    26,229.04x = 565,258,633.86
  5. Step 5: Solve for x
    x = 565,258,633.86/26,229.04
  6. Step 6: Final answer
    x = 21,550.87

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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.