Home / 16,178.77-22,320.61-9,462.25

Finding the Fourth Proportional to 16,178.77, 22,320.61 and 9,462.25

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Solution

The fourth proportional to 16,178.77, 22,320.61 and 9,462.25 is: 13,054.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,178.77 : 22,320.61 = 9,462.25 : x
  2. Step 2: Convert to fraction form
    16,178.77/22,320.61 = 9,462.25/x
  3. Step 3: Cross multiply
    16,178.77x = 22,320.61 × 9,462.25
  4. Step 4: Simplify right side
    16,178.77x = 211,203,191.97
  5. Step 5: Solve for x
    x = 211,203,191.97/16,178.77
  6. Step 6: Final answer
    x = 13,054.34

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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.