Home / 22,246.90-30,697.69-13,292.51

Finding the Fourth Proportional to 22,246.90, 30,697.69 and 13,292.51

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Solution

The fourth proportional to 22,246.90, 30,697.69 and 13,292.51 is: 18,341.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,246.90 : 30,697.69 = 13,292.51 : x
  2. Step 2: Convert to fraction form
    22,246.90/30,697.69 = 13,292.51/x
  3. Step 3: Cross multiply
    22,246.90x = 30,697.69 × 13,292.51
  4. Step 4: Simplify right side
    22,246.90x = 408,049,131.35
  5. Step 5: Solve for x
    x = 408,049,131.35/22,246.90
  6. Step 6: Final answer
    x = 18,341.85

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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.