Home / 25,470.43-35,149.50-14,140.15

Finding the Fourth Proportional to 25,470.43, 35,149.50 and 14,140.15

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Solution

The fourth proportional to 25,470.43, 35,149.50 and 14,140.15 is: 19,513.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,470.43 : 35,149.50 = 14,140.15 : x
  2. Step 2: Convert to fraction form
    25,470.43/35,149.50 = 14,140.15/x
  3. Step 3: Cross multiply
    25,470.43x = 35,149.50 × 14,140.15
  4. Step 4: Simplify right side
    25,470.43x = 497,019,202.43
  5. Step 5: Solve for x
    x = 497,019,202.43/25,470.43
  6. Step 6: Final answer
    x = 19,513.58

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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.