Home / 15,247.20-22,870.20-4,858.56

Finding the Fourth Proportional to 15,247.20, 22,870.20 and 4,858.56

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Solution

The fourth proportional to 15,247.20, 22,870.20 and 4,858.56 is: 7,287.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,247.20 : 22,870.20 = 4,858.56 : x
  2. Step 2: Convert to fraction form
    15,247.20/22,870.20 = 4,858.56/x
  3. Step 3: Cross multiply
    15,247.20x = 22,870.20 × 4,858.56
  4. Step 4: Simplify right side
    15,247.20x = 111,116,238.91
  5. Step 5: Solve for x
    x = 111,116,238.91/15,247.20
  6. Step 6: Final answer
    x = 7,287.65

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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.