Home / 13,367.29-18,444.92-7,398.94

Finding the Fourth Proportional to 13,367.29, 18,444.92 and 7,398.94

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Solution

The fourth proportional to 13,367.29, 18,444.92 and 7,398.94 is: 10,209.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,367.29 : 18,444.92 = 7,398.94 : x
  2. Step 2: Convert to fraction form
    13,367.29/18,444.92 = 7,398.94/x
  3. Step 3: Cross multiply
    13,367.29x = 18,444.92 × 7,398.94
  4. Step 4: Simplify right side
    13,367.29x = 136,472,851.83
  5. Step 5: Solve for x
    x = 136,472,851.83/13,367.29
  6. Step 6: Final answer
    x = 10,209.47

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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.