Home / 15,340.20-21,182.76-14,552.88

Finding the Fourth Proportional to 15,340.20, 21,182.76 and 14,552.88

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Solution

The fourth proportional to 15,340.20, 21,182.76 and 14,552.88 is: 20,095.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,340.20 : 21,182.76 = 14,552.88 : x
  2. Step 2: Convert to fraction form
    15,340.20/21,182.76 = 14,552.88/x
  3. Step 3: Cross multiply
    15,340.20x = 21,182.76 × 14,552.88
  4. Step 4: Simplify right side
    15,340.20x = 308,270,164.35
  5. Step 5: Solve for x
    x = 308,270,164.35/15,340.20
  6. Step 6: Final answer
    x = 20,095.58

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Half scale
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Double scale
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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.