Home / 22,696.20-31,320.12-12,624.12

Finding the Fourth Proportional to 22,696.20, 31,320.12 and 12,624.12

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Solution

The fourth proportional to 22,696.20, 31,320.12 and 12,624.12 is: 17,420.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,696.20 : 31,320.12 = 12,624.12 : x
  2. Step 2: Convert to fraction form
    22,696.20/31,320.12 = 12,624.12/x
  3. Step 3: Cross multiply
    22,696.20x = 31,320.12 × 12,624.12
  4. Step 4: Simplify right side
    22,696.20x = 395,388,953.29
  5. Step 5: Solve for x
    x = 395,388,953.29/22,696.20
  6. Step 6: Final answer
    x = 17,420.93

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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.