Home / 17,421.75-24,042.02-9,969.75

Finding the Fourth Proportional to 17,421.75, 24,042.02 and 9,969.75

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Solution

The fourth proportional to 17,421.75, 24,042.02 and 9,969.75 is: 13,758.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,421.75 : 24,042.02 = 9,969.75 : x
  2. Step 2: Convert to fraction form
    17,421.75/24,042.02 = 9,969.75/x
  3. Step 3: Cross multiply
    17,421.75x = 24,042.02 × 9,969.75
  4. Step 4: Simplify right side
    17,421.75x = 239,692,879.05
  5. Step 5: Solve for x
    x = 239,692,879.05/17,421.75
  6. Step 6: Final answer
    x = 13,758.26

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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.