Home / 22,868.07-31,547.92-13,432.38

Finding the Fourth Proportional to 22,868.07, 31,547.92 and 13,432.38

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Solution

The fourth proportional to 22,868.07, 31,547.92 and 13,432.38 is: 18,530.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,868.07 : 31,547.92 = 13,432.38 : x
  2. Step 2: Convert to fraction form
    22,868.07/31,547.92 = 13,432.38/x
  3. Step 3: Cross multiply
    22,868.07x = 31,547.92 × 13,432.38
  4. Step 4: Simplify right side
    22,868.07x = 423,763,649.65
  5. Step 5: Solve for x
    x = 423,763,649.65/22,868.07
  6. Step 6: Final answer
    x = 18,530.80

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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.