Home / 17,378.80-23,983.11-9,824.68

Finding the Fourth Proportional to 17,378.80, 23,983.11 and 9,824.68

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Solution

The fourth proportional to 17,378.80, 23,983.11 and 9,824.68 is: 13,558.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,378.80 : 23,983.11 = 9,824.68 : x
  2. Step 2: Convert to fraction form
    17,378.80/23,983.11 = 9,824.68/x
  3. Step 3: Cross multiply
    17,378.80x = 23,983.11 × 9,824.68
  4. Step 4: Simplify right side
    17,378.80x = 235,626,261.24
  5. Step 5: Solve for x
    x = 235,626,261.24/17,378.80
  6. Step 6: Final answer
    x = 13,558.26

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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.