Home / 16,658.31-22,998.65-15,859.06

Finding the Fourth Proportional to 16,658.31, 22,998.65 and 15,859.06

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Solution

The fourth proportional to 16,658.31, 22,998.65 and 15,859.06 is: 21,895.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,658.31 : 22,998.65 = 15,859.06 : x
  2. Step 2: Convert to fraction form
    16,658.31/22,998.65 = 15,859.06/x
  3. Step 3: Cross multiply
    16,658.31x = 22,998.65 × 15,859.06
  4. Step 4: Simplify right side
    16,658.31x = 364,736,970.27
  5. Step 5: Solve for x
    x = 364,736,970.27/16,658.31
  6. Step 6: Final answer
    x = 21,895.20

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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.