Home / 18,335.88-25,296.66-10,782.60

Finding the Fourth Proportional to 18,335.88, 25,296.66 and 10,782.60

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Solution

The fourth proportional to 18,335.88, 25,296.66 and 10,782.60 is: 14,875.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,335.88 : 25,296.66 = 10,782.60 : x
  2. Step 2: Convert to fraction form
    18,335.88/25,296.66 = 10,782.60/x
  3. Step 3: Cross multiply
    18,335.88x = 25,296.66 × 10,782.60
  4. Step 4: Simplify right side
    18,335.88x = 272,763,766.12
  5. Step 5: Solve for x
    x = 272,763,766.12/18,335.88
  6. Step 6: Final answer
    x = 14,875.96

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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.