Home / 22,214.04-30,654.53-12,142.39

Finding the Fourth Proportional to 22,214.04, 30,654.53 and 12,142.39

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Solution

The fourth proportional to 22,214.04, 30,654.53 and 12,142.39 is: 16,756.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,214.04 : 30,654.53 = 12,142.39 : x
  2. Step 2: Convert to fraction form
    22,214.04/30,654.53 = 12,142.39/x
  3. Step 3: Cross multiply
    22,214.04x = 30,654.53 × 12,142.39
  4. Step 4: Simplify right side
    22,214.04x = 372,219,258.53
  5. Step 5: Solve for x
    x = 372,219,258.53/22,214.04
  6. Step 6: Final answer
    x = 16,756.04

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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.