Home / 17,275.12-23,840.87-9,722.18

Finding the Fourth Proportional to 17,275.12, 23,840.87 and 9,722.18

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Solution

The fourth proportional to 17,275.12, 23,840.87 and 9,722.18 is: 13,417.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,275.12 : 23,840.87 = 9,722.18 : x
  2. Step 2: Convert to fraction form
    17,275.12/23,840.87 = 9,722.18/x
  3. Step 3: Cross multiply
    17,275.12x = 23,840.87 × 9,722.18
  4. Step 4: Simplify right side
    17,275.12x = 231,785,134.60
  5. Step 5: Solve for x
    x = 231,785,134.60/17,275.12
  6. Step 6: Final answer
    x = 13,417.28

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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.