Home / 18,730.60-25,853.43-10,775.38

Finding the Fourth Proportional to 18,730.60, 25,853.43 and 10,775.38

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Solution

The fourth proportional to 18,730.60, 25,853.43 and 10,775.38 is: 14,873.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,730.60 : 25,853.43 = 10,775.38 : x
  2. Step 2: Convert to fraction form
    18,730.60/25,853.43 = 10,775.38/x
  3. Step 3: Cross multiply
    18,730.60x = 25,853.43 × 10,775.38
  4. Step 4: Simplify right side
    18,730.60x = 278,580,532.55
  5. Step 5: Solve for x
    x = 278,580,532.55/18,730.60
  6. Step 6: Final answer
    x = 14,873.02

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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.