Home / 23,644.40-35,428.20-19,727.60

Finding the Fourth Proportional to 23,644.40, 35,428.20 and 19,727.60

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Solution

The fourth proportional to 23,644.40, 35,428.20 and 19,727.60 is: 29,559.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,644.40 : 35,428.20 = 19,727.60 : x
  2. Step 2: Convert to fraction form
    23,644.40/35,428.20 = 19,727.60/x
  3. Step 3: Cross multiply
    23,644.40x = 35,428.20 × 19,727.60
  4. Step 4: Simplify right side
    23,644.40x = 698,913,358.32
  5. Step 5: Solve for x
    x = 698,913,358.32/23,644.40
  6. Step 6: Final answer
    x = 29,559.36

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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.