Home / 25,454.96-35,126.26-15,377.45

Finding the Fourth Proportional to 25,454.96, 35,126.26 and 15,377.45

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Solution

The fourth proportional to 25,454.96, 35,126.26 and 15,377.45 is: 21,219.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,454.96 : 35,126.26 = 15,377.45 : x
  2. Step 2: Convert to fraction form
    25,454.96/35,126.26 = 15,377.45/x
  3. Step 3: Cross multiply
    25,454.96x = 35,126.26 × 15,377.45
  4. Step 4: Simplify right side
    25,454.96x = 540,152,092.76
  5. Step 5: Solve for x
    x = 540,152,092.76/25,454.96
  6. Step 6: Final answer
    x = 21,219.92

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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.