Home / 25,444.32-35,105.04-15,376.56

Finding the Fourth Proportional to 25,444.32, 35,105.04 and 15,376.56

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Solution

The fourth proportional to 25,444.32, 35,105.04 and 15,376.56 is: 21,214.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,444.32 : 35,105.04 = 15,376.56 : x
  2. Step 2: Convert to fraction form
    25,444.32/35,105.04 = 15,376.56/x
  3. Step 3: Cross multiply
    25,444.32x = 35,105.04 × 15,376.56
  4. Step 4: Simplify right side
    25,444.32x = 539,794,753.86
  5. Step 5: Solve for x
    x = 539,794,753.86/25,444.32
  6. Step 6: Final answer
    x = 21,214.74

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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.