Home / 15,422.06-23,134.88-7,518.96

Finding the Fourth Proportional to 15,422.06, 23,134.88 and 7,518.96

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Solution

The fourth proportional to 15,422.06, 23,134.88 and 7,518.96 is: 11,279.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,422.06 : 23,134.88 = 7,518.96 : x
  2. Step 2: Convert to fraction form
    15,422.06/23,134.88 = 7,518.96/x
  3. Step 3: Cross multiply
    15,422.06x = 23,134.88 × 7,518.96
  4. Step 4: Simplify right side
    15,422.06x = 173,950,256.12
  5. Step 5: Solve for x
    x = 173,950,256.12/15,422.06
  6. Step 6: Final answer
    x = 11,279.31

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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.