Home / 22,763.40-34,145.10-19,422.60

Finding the Fourth Proportional to 22,763.40, 34,145.10 and 19,422.60

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Solution

The fourth proportional to 22,763.40, 34,145.10 and 19,422.60 is: 29,133.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,763.40 : 34,145.10 = 19,422.60 : x
  2. Step 2: Convert to fraction form
    22,763.40/34,145.10 = 19,422.60/x
  3. Step 3: Cross multiply
    22,763.40x = 34,145.10 × 19,422.60
  4. Step 4: Simplify right side
    22,763.40x = 663,186,619.26
  5. Step 5: Solve for x
    x = 663,186,619.26/22,763.40
  6. Step 6: Final answer
    x = 29,133.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.