Home / 22,225.86-30,629.22-15,927.30

Finding the Fourth Proportional to 22,225.86, 30,629.22 and 15,927.30

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Solution

The fourth proportional to 22,225.86, 30,629.22 and 15,927.30 is: 21,949.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,225.86 : 30,629.22 = 15,927.30 : x
  2. Step 2: Convert to fraction form
    22,225.86/30,629.22 = 15,927.30/x
  3. Step 3: Cross multiply
    22,225.86x = 30,629.22 × 15,927.30
  4. Step 4: Simplify right side
    22,225.86x = 487,840,775.71
  5. Step 5: Solve for x
    x = 487,840,775.71/22,225.86
  6. Step 6: Final answer
    x = 21,949.24

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Double scale
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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.