Home / 16,422.06-22,656.78-9,346.68

Finding the Fourth Proportional to 16,422.06, 22,656.78 and 9,346.68

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Solution

The fourth proportional to 16,422.06, 22,656.78 and 9,346.68 is: 12,895.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,422.06 : 22,656.78 = 9,346.68 : x
  2. Step 2: Convert to fraction form
    16,422.06/22,656.78 = 9,346.68/x
  3. Step 3: Cross multiply
    16,422.06x = 22,656.78 × 9,346.68
  4. Step 4: Simplify right side
    16,422.06x = 211,765,672.49
  5. Step 5: Solve for x
    x = 211,765,672.49/16,422.06
  6. Step 6: Final answer
    x = 12,895.20

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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.