Home / 22,750.19-31,386.72-13,794.42

Finding the Fourth Proportional to 22,750.19, 31,386.72 and 13,794.42

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Solution

The fourth proportional to 22,750.19, 31,386.72 and 13,794.42 is: 19,031.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,750.19 : 31,386.72 = 13,794.42 : x
  2. Step 2: Convert to fraction form
    22,750.19/31,386.72 = 13,794.42/x
  3. Step 3: Cross multiply
    22,750.19x = 31,386.72 × 13,794.42
  4. Step 4: Simplify right side
    22,750.19x = 432,961,529.13
  5. Step 5: Solve for x
    x = 432,961,529.13/22,750.19
  6. Step 6: Final answer
    x = 19,031.12

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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.