Home / 13,500.57-18,630.74-7,532.25

Finding the Fourth Proportional to 13,500.57, 18,630.74 and 7,532.25

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Solution

The fourth proportional to 13,500.57, 18,630.74 and 7,532.25 is: 10,394.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,500.57 : 18,630.74 = 7,532.25 : x
  2. Step 2: Convert to fraction form
    13,500.57/18,630.74 = 7,532.25/x
  3. Step 3: Cross multiply
    13,500.57x = 18,630.74 × 7,532.25
  4. Step 4: Simplify right side
    13,500.57x = 140,331,391.37
  5. Step 5: Solve for x
    x = 140,331,391.37/13,500.57
  6. Step 6: Final answer
    x = 10,394.48

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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.