Home / 22,792.44-31,424.76-19,386.12

Finding the Fourth Proportional to 22,792.44, 31,424.76 and 19,386.12

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Solution

The fourth proportional to 22,792.44, 31,424.76 and 19,386.12 is: 26,728.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,792.44 : 31,424.76 = 19,386.12 : x
  2. Step 2: Convert to fraction form
    22,792.44/31,424.76 = 19,386.12/x
  3. Step 3: Cross multiply
    22,792.44x = 31,424.76 × 19,386.12
  4. Step 4: Simplify right side
    22,792.44x = 609,204,168.33
  5. Step 5: Solve for x
    x = 609,204,168.33/22,792.44
  6. Step 6: Final answer
    x = 26,728.34

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Half scale
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Double scale
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Similar ratio
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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.