Home / 22,004.48-30,366.96-15,731.84

Finding the Fourth Proportional to 22,004.48, 30,366.96 and 15,731.84

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Solution

The fourth proportional to 22,004.48, 30,366.96 and 15,731.84 is: 21,710.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,004.48 : 30,366.96 = 15,731.84 : x
  2. Step 2: Convert to fraction form
    22,004.48/30,366.96 = 15,731.84/x
  3. Step 3: Cross multiply
    22,004.48x = 30,366.96 × 15,731.84
  4. Step 4: Simplify right side
    22,004.48x = 477,728,156.01
  5. Step 5: Solve for x
    x = 477,728,156.01/22,004.48
  6. Step 6: Final answer
    x = 21,710.50

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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.