Home / 13,293.48-18,344.76-7,325.68

Finding the Fourth Proportional to 13,293.48, 18,344.76 and 7,325.68

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Solution

The fourth proportional to 13,293.48, 18,344.76 and 7,325.68 is: 10,109.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,293.48 : 18,344.76 = 7,325.68 : x
  2. Step 2: Convert to fraction form
    13,293.48/18,344.76 = 7,325.68/x
  3. Step 3: Cross multiply
    13,293.48x = 18,344.76 × 7,325.68
  4. Step 4: Simplify right side
    13,293.48x = 134,387,841.44
  5. Step 5: Solve for x
    x = 134,387,841.44/13,293.48
  6. Step 6: Final answer
    x = 10,109.30

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Half 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.