Home / 16,191.80-22,345.44-9,818.60

Finding the Fourth Proportional to 16,191.80, 22,345.44 and 9,818.60

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Solution

The fourth proportional to 16,191.80, 22,345.44 and 9,818.60 is: 13,550.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,191.80 : 22,345.44 = 9,818.60 : x
  2. Step 2: Convert to fraction form
    16,191.80/22,345.44 = 9,818.60/x
  3. Step 3: Cross multiply
    16,191.80x = 22,345.44 × 9,818.60
  4. Step 4: Simplify right side
    16,191.80x = 219,400,937.18
  5. Step 5: Solve for x
    x = 219,400,937.18/16,191.80
  6. Step 6: Final answer
    x = 13,550.13

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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.