Home / 25,729.58-38,574.20-10,158.86

Finding the Fourth Proportional to 25,729.58, 38,574.20 and 10,158.86

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Solution

The fourth proportional to 25,729.58, 38,574.20 and 10,158.86 is: 15,230.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,729.58 : 38,574.20 = 10,158.86 : x
  2. Step 2: Convert to fraction form
    25,729.58/38,574.20 = 10,158.86/x
  3. Step 3: Cross multiply
    25,729.58x = 38,574.20 × 10,158.86
  4. Step 4: Simplify right side
    25,729.58x = 391,869,729.94
  5. Step 5: Solve for x
    x = 391,869,729.94/25,729.58
  6. Step 6: Final answer
    x = 15,230.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.