Home / 15,986.52-22,053.66-12,425.34

Finding the Fourth Proportional to 15,986.52, 22,053.66 and 12,425.34

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Solution

The fourth proportional to 15,986.52, 22,053.66 and 12,425.34 is: 17,140.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,986.52 : 22,053.66 = 12,425.34 : x
  2. Step 2: Convert to fraction form
    15,986.52/22,053.66 = 12,425.34/x
  3. Step 3: Cross multiply
    15,986.52x = 22,053.66 × 12,425.34
  4. Step 4: Simplify right side
    15,986.52x = 274,024,223.74
  5. Step 5: Solve for x
    x = 274,024,223.74/15,986.52
  6. Step 6: Final answer
    x = 17,140.96

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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.