Home / 25,446.64-35,117.72-15,374.96

Finding the Fourth Proportional to 25,446.64, 35,117.72 and 15,374.96

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Solution

The fourth proportional to 25,446.64, 35,117.72 and 15,374.96 is: 21,218.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,446.64 : 35,117.72 = 15,374.96 : x
  2. Step 2: Convert to fraction form
    25,446.64/35,117.72 = 15,374.96/x
  3. Step 3: Cross multiply
    25,446.64x = 35,117.72 × 15,374.96
  4. Step 4: Simplify right side
    25,446.64x = 539,933,540.29
  5. Step 5: Solve for x
    x = 539,933,540.29/25,446.64
  6. Step 6: Final answer
    x = 21,218.26

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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.