Home / 13,225.43-18,250.47-7,256.97

Finding the Fourth Proportional to 13,225.43, 18,250.47 and 7,256.97

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Solution

The fourth proportional to 13,225.43, 18,250.47 and 7,256.97 is: 10,014.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,225.43 : 18,250.47 = 7,256.97 : x
  2. Step 2: Convert to fraction form
    13,225.43/18,250.47 = 7,256.97/x
  3. Step 3: Cross multiply
    13,225.43x = 18,250.47 × 7,256.97
  4. Step 4: Simplify right side
    13,225.43x = 132,443,113.28
  5. Step 5: Solve for x
    x = 132,443,113.28/13,225.43
  6. Step 6: Final answer
    x = 10,014.27

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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.