Home / 16,356.12-22,574.40-9,641.36

Finding the Fourth Proportional to 16,356.12, 22,574.40 and 9,641.36

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Solution

The fourth proportional to 16,356.12, 22,574.40 and 9,641.36 is: 13,306.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,356.12 : 22,574.40 = 9,641.36 : x
  2. Step 2: Convert to fraction form
    16,356.12/22,574.40 = 9,641.36/x
  3. Step 3: Cross multiply
    16,356.12x = 22,574.40 × 9,641.36
  4. Step 4: Simplify right side
    16,356.12x = 217,647,917.18
  5. Step 5: Solve for x
    x = 217,647,917.18/16,356.12
  6. Step 6: Final answer
    x = 13,306.82

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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.