Home / 15,187.13-22,780.56-4,798.88

Finding the Fourth Proportional to 15,187.13, 22,780.56 and 4,798.88

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Solution

The fourth proportional to 15,187.13, 22,780.56 and 4,798.88 is: 7,198.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,187.13 : 22,780.56 = 4,798.88 : x
  2. Step 2: Convert to fraction form
    15,187.13/22,780.56 = 4,798.88/x
  3. Step 3: Cross multiply
    15,187.13x = 22,780.56 × 4,798.88
  4. Step 4: Simplify right side
    15,187.13x = 109,321,173.77
  5. Step 5: Solve for x
    x = 109,321,173.77/15,187.13
  6. Step 6: Final answer
    x = 7,198.28

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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.