Home / 27,545.96-38,013.72-14,970.71

Finding the Fourth Proportional to 27,545.96, 38,013.72 and 14,970.71

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Solution

The fourth proportional to 27,545.96, 38,013.72 and 14,970.71 is: 20,659.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,545.96 : 38,013.72 = 14,970.71 : x
  2. Step 2: Convert to fraction form
    27,545.96/38,013.72 = 14,970.71/x
  3. Step 3: Cross multiply
    27,545.96x = 38,013.72 × 14,970.71
  4. Step 4: Simplify right side
    27,545.96x = 569,092,378.14
  5. Step 5: Solve for x
    x = 569,092,378.14/27,545.96
  6. Step 6: Final answer
    x = 20,659.74

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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.