Home / 25,439.85-35,107.25-14,109.57

Finding the Fourth Proportional to 25,439.85, 35,107.25 and 14,109.57

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Solution

The fourth proportional to 25,439.85, 35,107.25 and 14,109.57 is: 19,471.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,439.85 : 35,107.25 = 14,109.57 : x
  2. Step 2: Convert to fraction form
    25,439.85/35,107.25 = 14,109.57/x
  3. Step 3: Cross multiply
    25,439.85x = 35,107.25 × 14,109.57
  4. Step 4: Simplify right side
    25,439.85x = 495,348,201.38
  5. Step 5: Solve for x
    x = 495,348,201.38/25,439.85
  6. Step 6: Final answer
    x = 19,471.35

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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.