Home / 23,742.20-35,570.10-19,335.80

Finding the Fourth Proportional to 23,742.20, 35,570.10 and 19,335.80

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Solution

The fourth proportional to 23,742.20, 35,570.10 and 19,335.80 is: 28,968.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,742.20 : 35,570.10 = 19,335.80 : x
  2. Step 2: Convert to fraction form
    23,742.20/35,570.10 = 19,335.80/x
  3. Step 3: Cross multiply
    23,742.20x = 35,570.10 × 19,335.80
  4. Step 4: Simplify right side
    23,742.20x = 687,776,339.58
  5. Step 5: Solve for x
    x = 687,776,339.58/23,742.20
  6. Step 6: Final answer
    x = 28,968.52

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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.