Home / 13,256.53-18,275.18-10,543.97

Finding the Fourth Proportional to 13,256.53, 18,275.18 and 10,543.97

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Solution

The fourth proportional to 13,256.53, 18,275.18 and 10,543.97 is: 14,535.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256.53 : 18,275.18 = 10,543.97 : x
  2. Step 2: Convert to fraction form
    13,256.53/18,275.18 = 10,543.97/x
  3. Step 3: Cross multiply
    13,256.53x = 18,275.18 × 10,543.97
  4. Step 4: Simplify right side
    13,256.53x = 192,692,805.57
  5. Step 5: Solve for x
    x = 192,692,805.57/13,256.53
  6. Step 6: Final answer
    x = 14,535.69

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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.