Home / 25,377.87-35,013.40-14,765.45

Finding the Fourth Proportional to 25,377.87, 35,013.40 and 14,765.45

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Solution

The fourth proportional to 25,377.87, 35,013.40 and 14,765.45 is: 20,371.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,377.87 : 35,013.40 = 14,765.45 : x
  2. Step 2: Convert to fraction form
    25,377.87/35,013.40 = 14,765.45/x
  3. Step 3: Cross multiply
    25,377.87x = 35,013.40 × 14,765.45
  4. Step 4: Simplify right side
    25,377.87x = 516,988,627.86
  5. Step 5: Solve for x
    x = 516,988,627.86/25,377.87
  6. Step 6: Final answer
    x = 20,371.63

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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.