Home / 22,117.24-30,519.14-12,558.23

Finding the Fourth Proportional to 22,117.24, 30,519.14 and 12,558.23

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Solution

The fourth proportional to 22,117.24, 30,519.14 and 12,558.23 is: 17,328.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,117.24 : 30,519.14 = 12,558.23 : x
  2. Step 2: Convert to fraction form
    22,117.24/30,519.14 = 12,558.23/x
  3. Step 3: Cross multiply
    22,117.24x = 30,519.14 × 12,558.23
  4. Step 4: Simplify right side
    22,117.24x = 383,266,379.52
  5. Step 5: Solve for x
    x = 383,266,379.52/22,117.24
  6. Step 6: Final answer
    x = 17,328.85

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Half scale
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Double scale
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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.