Home / 23,389.93-32,278.14-13,318.38

Finding the Fourth Proportional to 23,389.93, 32,278.14 and 13,318.38

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Solution

The fourth proportional to 23,389.93, 32,278.14 and 13,318.38 is: 18,379.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,389.93 : 32,278.14 = 13,318.38 : x
  2. Step 2: Convert to fraction form
    23,389.93/32,278.14 = 13,318.38/x
  3. Step 3: Cross multiply
    23,389.93x = 32,278.14 × 13,318.38
  4. Step 4: Simplify right side
    23,389.93x = 429,892,534.21
  5. Step 5: Solve for x
    x = 429,892,534.21/23,389.93
  6. Step 6: Final answer
    x = 18,379.38

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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.