Home / 22,609.96-31,196.10-13,175.08

Finding the Fourth Proportional to 22,609.96, 31,196.10 and 13,175.08

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Solution

The fourth proportional to 22,609.96, 31,196.10 and 13,175.08 is: 18,178.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,609.96 : 31,196.10 = 13,175.08 : x
  2. Step 2: Convert to fraction form
    22,609.96/31,196.10 = 13,175.08/x
  3. Step 3: Cross multiply
    22,609.96x = 31,196.10 × 13,175.08
  4. Step 4: Simplify right side
    22,609.96x = 411,011,113.19
  5. Step 5: Solve for x
    x = 411,011,113.19/22,609.96
  6. Step 6: Final answer
    x = 18,178.32

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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.