Home / 16,065.48-22,170.20-8,895.40

Finding the Fourth Proportional to 16,065.48, 22,170.20 and 8,895.40

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Solution

The fourth proportional to 16,065.48, 22,170.20 and 8,895.40 is: 12,275.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,065.48 : 22,170.20 = 8,895.40 : x
  2. Step 2: Convert to fraction form
    16,065.48/22,170.20 = 8,895.40/x
  3. Step 3: Cross multiply
    16,065.48x = 22,170.20 × 8,895.40
  4. Step 4: Simplify right side
    16,065.48x = 197,212,797.08
  5. Step 5: Solve for x
    x = 197,212,797.08/16,065.48
  6. Step 6: Final answer
    x = 12,275.56

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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.