Home / 15,158.88-22,730.40-4,767.84

Finding the Fourth Proportional to 15,158.88, 22,730.40 and 4,767.84

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Solution

The fourth proportional to 15,158.88, 22,730.40 and 4,767.84 is: 7,149.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,158.88 : 22,730.40 = 4,767.84 : x
  2. Step 2: Convert to fraction form
    15,158.88/22,730.40 = 4,767.84/x
  3. Step 3: Cross multiply
    15,158.88x = 22,730.40 × 4,767.84
  4. Step 4: Simplify right side
    15,158.88x = 108,374,910.34
  5. Step 5: Solve for x
    x = 108,374,910.34/15,158.88
  6. Step 6: Final answer
    x = 7,149.27

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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.