Home / 13,531.92-20,294.64-11,341.68

Finding the Fourth Proportional to 13,531.92, 20,294.64 and 11,341.68

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Solution

The fourth proportional to 13,531.92, 20,294.64 and 11,341.68 is: 17,009.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,531.92 : 20,294.64 = 11,341.68 : x
  2. Step 2: Convert to fraction form
    13,531.92/20,294.64 = 11,341.68/x
  3. Step 3: Cross multiply
    13,531.92x = 20,294.64 × 11,341.68
  4. Step 4: Simplify right side
    13,531.92x = 230,175,312.60
  5. Step 5: Solve for x
    x = 230,175,312.60/13,531.92
  6. Step 6: Final answer
    x = 17,009.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.