Home / 13,227.29-18,254.18-7,259.17

Finding the Fourth Proportional to 13,227.29, 18,254.18 and 7,259.17

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Solution

The fourth proportional to 13,227.29, 18,254.18 and 7,259.17 is: 10,017.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,227.29 : 18,254.18 = 7,259.17 : x
  2. Step 2: Convert to fraction form
    13,227.29/18,254.18 = 7,259.17/x
  3. Step 3: Cross multiply
    13,227.29x = 18,254.18 × 7,259.17
  4. Step 4: Simplify right side
    13,227.29x = 132,510,141.12
  5. Step 5: Solve for x
    x = 132,510,141.12/13,227.29
  6. Step 6: Final answer
    x = 10,017.94

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Half 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.