Home / 23,136.48-31,943.94-15,192.18

Finding the Fourth Proportional to 23,136.48, 31,943.94 and 15,192.18

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Solution

The fourth proportional to 23,136.48, 31,943.94 and 15,192.18 is: 20,975.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,136.48 : 31,943.94 = 15,192.18 : x
  2. Step 2: Convert to fraction form
    23,136.48/31,943.94 = 15,192.18/x
  3. Step 3: Cross multiply
    23,136.48x = 31,943.94 × 15,192.18
  4. Step 4: Simplify right side
    23,136.48x = 485,298,086.39
  5. Step 5: Solve for x
    x = 485,298,086.39/23,136.48
  6. Step 6: Final answer
    x = 20,975.45

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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.