Home / 23,875.30-35,851.20-18,985.60

Finding the Fourth Proportional to 23,875.30, 35,851.20 and 18,985.60

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Solution

The fourth proportional to 23,875.30, 35,851.20 and 18,985.60 is: 28,508.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,875.30 : 35,851.20 = 18,985.60 : x
  2. Step 2: Convert to fraction form
    23,875.30/35,851.20 = 18,985.60/x
  3. Step 3: Cross multiply
    23,875.30x = 35,851.20 × 18,985.60
  4. Step 4: Simplify right side
    23,875.30x = 680,656,542.72
  5. Step 5: Solve for x
    x = 680,656,542.72/23,875.30
  6. Step 6: Final answer
    x = 28,508.82

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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.