Home / 25,447.92-38,164.56-10,656.48

Finding the Fourth Proportional to 25,447.92, 38,164.56 and 10,656.48

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Solution

The fourth proportional to 25,447.92, 38,164.56 and 10,656.48 is: 15,981.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,447.92 : 38,164.56 = 10,656.48 : x
  2. Step 2: Convert to fraction form
    25,447.92/38,164.56 = 10,656.48/x
  3. Step 3: Cross multiply
    25,447.92x = 38,164.56 × 10,656.48
  4. Step 4: Simplify right side
    25,447.92x = 406,699,870.35
  5. Step 5: Solve for x
    x = 406,699,870.35/25,447.92
  6. Step 6: Final answer
    x = 15,981.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.