Home / 13,374.17-18,456.45-7,405.93

Finding the Fourth Proportional to 13,374.17, 18,456.45 and 7,405.93

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Solution

The fourth proportional to 13,374.17, 18,456.45 and 7,405.93 is: 10,220.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,374.17 : 18,456.45 = 7,405.93 : x
  2. Step 2: Convert to fraction form
    13,374.17/18,456.45 = 7,405.93/x
  3. Step 3: Cross multiply
    13,374.17x = 18,456.45 × 7,405.93
  4. Step 4: Simplify right side
    13,374.17x = 136,687,176.75
  5. Step 5: Solve for x
    x = 136,687,176.75/13,374.17
  6. Step 6: Final answer
    x = 10,220.24

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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.