Home / 22,489.84-31,032.48-13,056.76

Finding the Fourth Proportional to 22,489.84, 31,032.48 and 13,056.76

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Solution

The fourth proportional to 22,489.84, 31,032.48 and 13,056.76 is: 18,016.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,489.84 : 31,032.48 = 13,056.76 : x
  2. Step 2: Convert to fraction form
    22,489.84/31,032.48 = 13,056.76/x
  3. Step 3: Cross multiply
    22,489.84x = 31,032.48 × 13,056.76
  4. Step 4: Simplify right side
    22,489.84x = 405,183,643.56
  5. Step 5: Solve for x
    x = 405,183,643.56/22,489.84
  6. Step 6: Final answer
    x = 18,016.30

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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.