Home / 22,728.07-31,364.73-13,298.46

Finding the Fourth Proportional to 22,728.07, 31,364.73 and 13,298.46

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Solution

The fourth proportional to 22,728.07, 31,364.73 and 13,298.46 is: 18,351.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,728.07 : 31,364.73 = 13,298.46 : x
  2. Step 2: Convert to fraction form
    22,728.07/31,364.73 = 13,298.46/x
  3. Step 3: Cross multiply
    22,728.07x = 31,364.73 × 13,298.46
  4. Step 4: Simplify right side
    22,728.07x = 417,102,607.32
  5. Step 5: Solve for x
    x = 417,102,607.32/22,728.07
  6. Step 6: Final answer
    x = 18,351.87

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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.