Home / 24,921.22-34,390.28-13,590.40

Finding the Fourth Proportional to 24,921.22, 34,390.28 and 13,590.40

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Solution

The fourth proportional to 24,921.22, 34,390.28 and 13,590.40 is: 18,754.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,921.22 : 34,390.28 = 13,590.40 : x
  2. Step 2: Convert to fraction form
    24,921.22/34,390.28 = 13,590.40/x
  3. Step 3: Cross multiply
    24,921.22x = 34,390.28 × 13,590.40
  4. Step 4: Simplify right side
    24,921.22x = 467,377,661.31
  5. Step 5: Solve for x
    x = 467,377,661.31/24,921.22
  6. Step 6: Final answer
    x = 18,754.20

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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.