Home / 15,602.02-21,523.88-9,310.76

Finding the Fourth Proportional to 15,602.02, 21,523.88 and 9,310.76

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Solution

The fourth proportional to 15,602.02, 21,523.88 and 9,310.76 is: 12,844.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,602.02 : 21,523.88 = 9,310.76 : x
  2. Step 2: Convert to fraction form
    15,602.02/21,523.88 = 9,310.76/x
  3. Step 3: Cross multiply
    15,602.02x = 21,523.88 × 9,310.76
  4. Step 4: Simplify right side
    15,602.02x = 200,403,680.95
  5. Step 5: Solve for x
    x = 200,403,680.95/15,602.02
  6. Step 6: Final answer
    x = 12,844.73

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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.