Home / 15,515.88-23,254.38-7,726.92

Finding the Fourth Proportional to 15,515.88, 23,254.38 and 7,726.92

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Solution

The fourth proportional to 15,515.88, 23,254.38 and 7,726.92 is: 11,580.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,515.88 : 23,254.38 = 7,726.92 : x
  2. Step 2: Convert to fraction form
    15,515.88/23,254.38 = 7,726.92/x
  3. Step 3: Cross multiply
    15,515.88x = 23,254.38 × 7,726.92
  4. Step 4: Simplify right side
    15,515.88x = 179,684,733.91
  5. Step 5: Solve for x
    x = 179,684,733.91/15,515.88
  6. Step 6: Final answer
    x = 11,580.70

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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.