Home / 13,463.19-18,572.82-9,486.49

Finding the Fourth Proportional to 13,463.19, 18,572.82 and 9,486.49

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Solution

The fourth proportional to 13,463.19, 18,572.82 and 9,486.49 is: 13,086.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,463.19 : 18,572.82 = 9,486.49 : x
  2. Step 2: Convert to fraction form
    13,463.19/18,572.82 = 9,486.49/x
  3. Step 3: Cross multiply
    13,463.19x = 18,572.82 × 9,486.49
  4. Step 4: Simplify right side
    13,463.19x = 176,190,871.20
  5. Step 5: Solve for x
    x = 176,190,871.20/13,463.19
  6. Step 6: Final answer
    x = 13,086.86

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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.