Home / 13,350.42-18,416.97-9,574.20

Finding the Fourth Proportional to 13,350.42, 18,416.97 and 9,574.20

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Solution

The fourth proportional to 13,350.42, 18,416.97 and 9,574.20 is: 13,207.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,350.42 : 18,416.97 = 9,574.20 : x
  2. Step 2: Convert to fraction form
    13,350.42/18,416.97 = 9,574.20/x
  3. Step 3: Cross multiply
    13,350.42x = 18,416.97 × 9,574.20
  4. Step 4: Simplify right side
    13,350.42x = 176,327,754.17
  5. Step 5: Solve for x
    x = 176,327,754.17/13,350.42
  6. Step 6: Final answer
    x = 13,207.66

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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.