Home / 22,112.65-30,463.54-15,386.73

Finding the Fourth Proportional to 22,112.65, 30,463.54 and 15,386.73

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Solution

The fourth proportional to 22,112.65, 30,463.54 and 15,386.73 is: 21,197.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,112.65 : 30,463.54 = 15,386.73 : x
  2. Step 2: Convert to fraction form
    22,112.65/30,463.54 = 15,386.73/x
  3. Step 3: Cross multiply
    22,112.65x = 30,463.54 × 15,386.73
  4. Step 4: Simplify right side
    22,112.65x = 468,734,264.82
  5. Step 5: Solve for x
    x = 468,734,264.82/22,112.65
  6. Step 6: Final answer
    x = 21,197.56

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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.