Home / 25,416.12-35,062.38-15,989.88

Finding the Fourth Proportional to 25,416.12, 35,062.38 and 15,989.88

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Solution

The fourth proportional to 25,416.12, 35,062.38 and 15,989.88 is: 22,058.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,416.12 : 35,062.38 = 15,989.88 : x
  2. Step 2: Convert to fraction form
    25,416.12/35,062.38 = 15,989.88/x
  3. Step 3: Cross multiply
    25,416.12x = 35,062.38 × 15,989.88
  4. Step 4: Simplify right side
    25,416.12x = 560,643,248.71
  5. Step 5: Solve for x
    x = 560,643,248.71/25,416.12
  6. Step 6: Final answer
    x = 22,058.57

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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.