Home / 25,442.64-35,113.01-14,115.78

Finding the Fourth Proportional to 25,442.64, 35,113.01 and 14,115.78

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Solution

The fourth proportional to 25,442.64, 35,113.01 and 14,115.78 is: 19,480.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,442.64 : 35,113.01 = 14,115.78 : x
  2. Step 2: Convert to fraction form
    25,442.64/35,113.01 = 14,115.78/x
  3. Step 3: Cross multiply
    25,442.64x = 35,113.01 × 14,115.78
  4. Step 4: Simplify right side
    25,442.64x = 495,647,585.39
  5. Step 5: Solve for x
    x = 495,647,585.39/25,442.64
  6. Step 6: Final answer
    x = 19,480.98

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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.