Home / 16,798.60-23,177.77-9,720.82

Finding the Fourth Proportional to 16,798.60, 23,177.77 and 9,720.82

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Solution

The fourth proportional to 16,798.60, 23,177.77 and 9,720.82 is: 13,412.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,798.60 : 23,177.77 = 9,720.82 : x
  2. Step 2: Convert to fraction form
    16,798.60/23,177.77 = 9,720.82/x
  3. Step 3: Cross multiply
    16,798.60x = 23,177.77 × 9,720.82
  4. Step 4: Simplify right side
    16,798.60x = 225,306,930.17
  5. Step 5: Solve for x
    x = 225,306,930.17/16,798.60
  6. Step 6: Final answer
    x = 13,412.24

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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.