Home / 16,197.48-22,348.80-9,480.78

Finding the Fourth Proportional to 16,197.48, 22,348.80 and 9,480.78

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Solution

The fourth proportional to 16,197.48, 22,348.80 and 9,480.78 is: 13,081.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,197.48 : 22,348.80 = 9,480.78 : x
  2. Step 2: Convert to fraction form
    16,197.48/22,348.80 = 9,480.78/x
  3. Step 3: Cross multiply
    16,197.48x = 22,348.80 × 9,480.78
  4. Step 4: Simplify right side
    16,197.48x = 211,884,056.06
  5. Step 5: Solve for x
    x = 211,884,056.06/16,197.48
  6. Step 6: Final answer
    x = 13,081.30

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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.