Home / 15,973.52-22,040.28-8,898.68

Finding the Fourth Proportional to 15,973.52, 22,040.28 and 8,898.68

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Solution

The fourth proportional to 15,973.52, 22,040.28 and 8,898.68 is: 12,278.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,973.52 : 22,040.28 = 8,898.68 : x
  2. Step 2: Convert to fraction form
    15,973.52/22,040.28 = 8,898.68/x
  3. Step 3: Cross multiply
    15,973.52x = 22,040.28 × 8,898.68
  4. Step 4: Simplify right side
    15,973.52x = 196,129,398.83
  5. Step 5: Solve for x
    x = 196,129,398.83/15,973.52
  6. Step 6: Final answer
    x = 12,278.41

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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.