Home / 17,227.81-23,772.45-9,672.60

Finding the Fourth Proportional to 17,227.81, 23,772.45 and 9,672.60

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Solution

The fourth proportional to 17,227.81, 23,772.45 and 9,672.60 is: 13,347.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,227.81 : 23,772.45 = 9,672.60 : x
  2. Step 2: Convert to fraction form
    17,227.81/23,772.45 = 9,672.60/x
  3. Step 3: Cross multiply
    17,227.81x = 23,772.45 × 9,672.60
  4. Step 4: Simplify right side
    17,227.81x = 229,941,399.87
  5. Step 5: Solve for x
    x = 229,941,399.87/17,227.81
  6. Step 6: Final answer
    x = 13,347.11

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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.