Home / 13,227.24-18,253.43-7,258.98

Finding the Fourth Proportional to 13,227.24, 18,253.43 and 7,258.98

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Solution

The fourth proportional to 13,227.24, 18,253.43 and 7,258.98 is: 10,017.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,227.24 : 18,253.43 = 7,258.98 : x
  2. Step 2: Convert to fraction form
    13,227.24/18,253.43 = 7,258.98/x
  3. Step 3: Cross multiply
    13,227.24x = 18,253.43 × 7,258.98
  4. Step 4: Simplify right side
    13,227.24x = 132,501,247.01
  5. Step 5: Solve for x
    x = 132,501,247.01/13,227.24
  6. Step 6: Final answer
    x = 10,017.30

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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.