Home / 25,176.95-34,743.59-13,691.55

Finding the Fourth Proportional to 25,176.95, 34,743.59 and 13,691.55

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Solution

The fourth proportional to 25,176.95, 34,743.59 and 13,691.55 is: 18,894.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,176.95 : 34,743.59 = 13,691.55 : x
  2. Step 2: Convert to fraction form
    25,176.95/34,743.59 = 13,691.55/x
  3. Step 3: Cross multiply
    25,176.95x = 34,743.59 × 13,691.55
  4. Step 4: Simplify right side
    25,176.95x = 475,693,582.55
  5. Step 5: Solve for x
    x = 475,693,582.55/25,176.95
  6. Step 6: Final answer
    x = 18,894.02

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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.