Home / 13,342.73-18,416.84-8,304.53

Finding the Fourth Proportional to 13,342.73, 18,416.84 and 8,304.53

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Solution

The fourth proportional to 13,342.73, 18,416.84 and 8,304.53 is: 11,462.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,342.73 : 18,416.84 = 8,304.53 : x
  2. Step 2: Convert to fraction form
    13,342.73/18,416.84 = 8,304.53/x
  3. Step 3: Cross multiply
    13,342.73x = 18,416.84 × 8,304.53
  4. Step 4: Simplify right side
    13,342.73x = 152,943,066.68
  5. Step 5: Solve for x
    x = 152,943,066.68/13,342.73
  6. Step 6: Final answer
    x = 11,462.66

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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.