Home / 27,563.42-38,044.28-15,633.74

Finding the Fourth Proportional to 27,563.42, 38,044.28 and 15,633.74

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Solution

The fourth proportional to 27,563.42, 38,044.28 and 15,633.74 is: 21,578.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,563.42 : 38,044.28 = 15,633.74 : x
  2. Step 2: Convert to fraction form
    27,563.42/38,044.28 = 15,633.74/x
  3. Step 3: Cross multiply
    27,563.42x = 38,044.28 × 15,633.74
  4. Step 4: Simplify right side
    27,563.42x = 594,774,516.20
  5. Step 5: Solve for x
    x = 594,774,516.20/27,563.42
  6. Step 6: Final answer
    x = 21,578.40

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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.