Home / 25,591.15-35,310.66-14,978.74

Finding the Fourth Proportional to 25,591.15, 35,310.66 and 14,978.74

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Solution

The fourth proportional to 25,591.15, 35,310.66 and 14,978.74 is: 20,667.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,591.15 : 35,310.66 = 14,978.74 : x
  2. Step 2: Convert to fraction form
    25,591.15/35,310.66 = 14,978.74/x
  3. Step 3: Cross multiply
    25,591.15x = 35,310.66 × 14,978.74
  4. Step 4: Simplify right side
    25,591.15x = 528,909,195.37
  5. Step 5: Solve for x
    x = 528,909,195.37/25,591.15
  6. Step 6: Final answer
    x = 20,667.66

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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.