Home / 13,223.54-18,248.34-7,254.92

Finding the Fourth Proportional to 13,223.54, 18,248.34 and 7,254.92

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Solution

The fourth proportional to 13,223.54, 18,248.34 and 7,254.92 is: 10,011.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,223.54 : 18,248.34 = 7,254.92 : x
  2. Step 2: Convert to fraction form
    13,223.54/18,248.34 = 7,254.92/x
  3. Step 3: Cross multiply
    13,223.54x = 18,248.34 × 7,254.92
  4. Step 4: Simplify right side
    13,223.54x = 132,390,246.83
  5. Step 5: Solve for x
    x = 132,390,246.83/13,223.54
  6. Step 6: Final answer
    x = 10,011.71

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Double 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.