Home / 24,686.40-34,067.08-13,355.86

Finding the Fourth Proportional to 24,686.40, 34,067.08 and 13,355.86

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Solution

The fourth proportional to 24,686.40, 34,067.08 and 13,355.86 is: 18,431.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,686.40 : 34,067.08 = 13,355.86 : x
  2. Step 2: Convert to fraction form
    24,686.40/34,067.08 = 13,355.86/x
  3. Step 3: Cross multiply
    24,686.40x = 34,067.08 × 13,355.86
  4. Step 4: Simplify right side
    24,686.40x = 454,995,151.09
  5. Step 5: Solve for x
    x = 454,995,151.09/24,686.40
  6. Step 6: Final answer
    x = 18,431.00

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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.