Home / 22,384.08-30,904.38-13,895.10

Finding the Fourth Proportional to 22,384.08, 30,904.38 and 13,895.10

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Solution

The fourth proportional to 22,384.08, 30,904.38 and 13,895.10 is: 19,184.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,384.08 : 30,904.38 = 13,895.10 : x
  2. Step 2: Convert to fraction form
    22,384.08/30,904.38 = 13,895.10/x
  3. Step 3: Cross multiply
    22,384.08x = 30,904.38 × 13,895.10
  4. Step 4: Simplify right side
    22,384.08x = 429,419,450.54
  5. Step 5: Solve for x
    x = 429,419,450.54/22,384.08
  6. Step 6: Final answer
    x = 19,184.15

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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.