Home / 15,750.96-21,726.71-9,373.27

Finding the Fourth Proportional to 15,750.96, 21,726.71 and 9,373.27

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Solution

The fourth proportional to 15,750.96, 21,726.71 and 9,373.27 is: 12,929.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,750.96 : 21,726.71 = 9,373.27 : x
  2. Step 2: Convert to fraction form
    15,750.96/21,726.71 = 9,373.27/x
  3. Step 3: Cross multiply
    15,750.96x = 21,726.71 × 9,373.27
  4. Step 4: Simplify right side
    15,750.96x = 203,650,267.38
  5. Step 5: Solve for x
    x = 203,650,267.38/15,750.96
  6. Step 6: Final answer
    x = 12,929.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.