Home / 22,511.19-31,064.54-13,079.01

Finding the Fourth Proportional to 22,511.19, 31,064.54 and 13,079.01

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Solution

The fourth proportional to 22,511.19, 31,064.54 and 13,079.01 is: 18,048.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,511.19 : 31,064.54 = 13,079.01 : x
  2. Step 2: Convert to fraction form
    22,511.19/31,064.54 = 13,079.01/x
  3. Step 3: Cross multiply
    22,511.19x = 31,064.54 × 13,079.01
  4. Step 4: Simplify right side
    22,511.19x = 406,293,363.91
  5. Step 5: Solve for x
    x = 406,293,363.91/22,511.19
  6. Step 6: Final answer
    x = 18,048.51

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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.