Home / 25,494.35-35,182.96-15,424.63

Finding the Fourth Proportional to 25,494.35, 35,182.96 and 15,424.63

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Solution

The fourth proportional to 25,494.35, 35,182.96 and 15,424.63 is: 21,286.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,494.35 : 35,182.96 = 15,424.63 : x
  2. Step 2: Convert to fraction form
    25,494.35/35,182.96 = 15,424.63/x
  3. Step 3: Cross multiply
    25,494.35x = 35,182.96 × 15,424.63
  4. Step 4: Simplify right side
    25,494.35x = 542,684,013.79
  5. Step 5: Solve for x
    x = 542,684,013.79/25,494.35
  6. Step 6: Final answer
    x = 21,286.45

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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.