Home / 13,298.01-18,349.08-8,522.19

Finding the Fourth Proportional to 13,298.01, 18,349.08 and 8,522.19

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Solution

The fourth proportional to 13,298.01, 18,349.08 and 8,522.19 is: 11,759.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,298.01 : 18,349.08 = 8,522.19 : x
  2. Step 2: Convert to fraction form
    13,298.01/18,349.08 = 8,522.19/x
  3. Step 3: Cross multiply
    13,298.01x = 18,349.08 × 8,522.19
  4. Step 4: Simplify right side
    13,298.01x = 156,374,346.09
  5. Step 5: Solve for x
    x = 156,374,346.09/13,298.01
  6. Step 6: Final answer
    x = 11,759.23

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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.