Home / 16,215.39-22,374.08-9,923.31

Finding the Fourth Proportional to 16,215.39, 22,374.08 and 9,923.31

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Solution

The fourth proportional to 16,215.39, 22,374.08 and 9,923.31 is: 13,692.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,215.39 : 22,374.08 = 9,923.31 : x
  2. Step 2: Convert to fraction form
    16,215.39/22,374.08 = 9,923.31/x
  3. Step 3: Cross multiply
    16,215.39x = 22,374.08 × 9,923.31
  4. Step 4: Simplify right side
    16,215.39x = 222,024,882.19
  5. Step 5: Solve for x
    x = 222,024,882.19/16,215.39
  6. Step 6: Final answer
    x = 13,692.23

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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.