Home / 13,500.59-18,630.75-7,532.25

Finding the Fourth Proportional to 13,500.59, 18,630.75 and 7,532.25

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Solution

The fourth proportional to 13,500.59, 18,630.75 and 7,532.25 is: 10,394.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,500.59 : 18,630.75 = 7,532.25 : x
  2. Step 2: Convert to fraction form
    13,500.59/18,630.75 = 7,532.25/x
  3. Step 3: Cross multiply
    13,500.59x = 18,630.75 × 7,532.25
  4. Step 4: Simplify right side
    13,500.59x = 140,331,466.69
  5. Step 5: Solve for x
    x = 140,331,466.69/13,500.59
  6. Step 6: Final answer
    x = 10,394.47

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Double 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.