Home / 13,275.97-18,316.70-7,532.48

Finding the Fourth Proportional to 13,275.97, 18,316.70 and 7,532.48

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Solution

The fourth proportional to 13,275.97, 18,316.70 and 7,532.48 is: 10,392.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,275.97 : 18,316.70 = 7,532.48 : x
  2. Step 2: Convert to fraction form
    13,275.97/18,316.70 = 7,532.48/x
  3. Step 3: Cross multiply
    13,275.97x = 18,316.70 × 7,532.48
  4. Step 4: Simplify right side
    13,275.97x = 137,970,184.55
  5. Step 5: Solve for x
    x = 137,970,184.55/13,275.97
  6. Step 6: Final answer
    x = 10,392.48

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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.