Home / 22,540.30-31,095.14-14,585.09

Finding the Fourth Proportional to 22,540.30, 31,095.14 and 14,585.09

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Solution

The fourth proportional to 22,540.30, 31,095.14 and 14,585.09 is: 20,120.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,540.30 : 31,095.14 = 14,585.09 : x
  2. Step 2: Convert to fraction form
    22,540.30/31,095.14 = 14,585.09/x
  3. Step 3: Cross multiply
    22,540.30x = 31,095.14 × 14,585.09
  4. Step 4: Simplify right side
    22,540.30x = 453,525,415.46
  5. Step 5: Solve for x
    x = 453,525,415.46/22,540.30
  6. Step 6: Final answer
    x = 20,120.65

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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.