Home / 25,148.18-34,703.91-13,662.95

Finding the Fourth Proportional to 25,148.18, 34,703.91 and 13,662.95

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Solution

The fourth proportional to 25,148.18, 34,703.91 and 13,662.95 is: 18,854.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,148.18 : 34,703.91 = 13,662.95 : x
  2. Step 2: Convert to fraction form
    25,148.18/34,703.91 = 13,662.95/x
  3. Step 3: Cross multiply
    25,148.18x = 34,703.91 × 13,662.95
  4. Step 4: Simplify right side
    25,148.18x = 474,157,613.61
  5. Step 5: Solve for x
    x = 474,157,613.61/25,148.18
  6. Step 6: Final answer
    x = 18,854.55

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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.