Home / 16,975.40-23,427.23-9,422.15

Finding the Fourth Proportional to 16,975.40, 23,427.23 and 9,422.15

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Solution

The fourth proportional to 16,975.40, 23,427.23 and 9,422.15 is: 13,003.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,975.40 : 23,427.23 = 9,422.15 : x
  2. Step 2: Convert to fraction form
    16,975.40/23,427.23 = 9,422.15/x
  3. Step 3: Cross multiply
    16,975.40x = 23,427.23 × 9,422.15
  4. Step 4: Simplify right side
    16,975.40x = 220,734,710.90
  5. Step 5: Solve for x
    x = 220,734,710.90/16,975.40
  6. Step 6: Final answer
    x = 13,003.22

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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.