Home / 19,731.87-29,731.02-16,298.79

Finding the Fourth Proportional to 19,731.87, 29,731.02 and 16,298.79

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Solution

The fourth proportional to 19,731.87, 29,731.02 and 16,298.79 is: 24,558.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,731.87 : 29,731.02 = 16,298.79 : x
  2. Step 2: Convert to fraction form
    19,731.87/29,731.02 = 16,298.79/x
  3. Step 3: Cross multiply
    19,731.87x = 29,731.02 × 16,298.79
  4. Step 4: Simplify right side
    19,731.87x = 484,579,590.35
  5. Step 5: Solve for x
    x = 484,579,590.35/19,731.87
  6. Step 6: Final answer
    x = 24,558.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.