Home / 29,653.13-40,921.83-16,225.56

Finding the Fourth Proportional to 29,653.13, 40,921.83 and 16,225.56

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Solution

The fourth proportional to 29,653.13, 40,921.83 and 16,225.56 is: 22,391.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,653.13 : 40,921.83 = 16,225.56 : x
  2. Step 2: Convert to fraction form
    29,653.13/40,921.83 = 16,225.56/x
  3. Step 3: Cross multiply
    29,653.13x = 40,921.83 × 16,225.56
  4. Step 4: Simplify right side
    29,653.13x = 663,979,607.97
  5. Step 5: Solve for x
    x = 663,979,607.97/29,653.13
  6. Step 6: Final answer
    x = 22,391.55

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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.