Home / 15,174.17-22,721.36-12,196.80

Finding the Fourth Proportional to 15,174.17, 22,721.36 and 12,196.80

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Solution

The fourth proportional to 15,174.17, 22,721.36 and 12,196.80 is: 18,263.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,174.17 : 22,721.36 = 12,196.80 : x
  2. Step 2: Convert to fraction form
    15,174.17/22,721.36 = 12,196.80/x
  3. Step 3: Cross multiply
    15,174.17x = 22,721.36 × 12,196.80
  4. Step 4: Simplify right side
    15,174.17x = 277,127,822.66
  5. Step 5: Solve for x
    x = 277,127,822.66/15,174.17
  6. Step 6: Final answer
    x = 18,263.13

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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.