Home / 22,281.91-30,746.10-13,326.14

Finding the Fourth Proportional to 22,281.91, 30,746.10 and 13,326.14

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Solution

The fourth proportional to 22,281.91, 30,746.10 and 13,326.14 is: 18,388.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,281.91 : 30,746.10 = 13,326.14 : x
  2. Step 2: Convert to fraction form
    22,281.91/30,746.10 = 13,326.14/x
  3. Step 3: Cross multiply
    22,281.91x = 30,746.10 × 13,326.14
  4. Step 4: Simplify right side
    22,281.91x = 409,726,833.05
  5. Step 5: Solve for x
    x = 409,726,833.05/22,281.91
  6. Step 6: Final answer
    x = 18,388.32

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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.