Home / 18,565.05-25,620.71-10,609.84

Finding the Fourth Proportional to 18,565.05, 25,620.71 and 10,609.84

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Solution

The fourth proportional to 18,565.05, 25,620.71 and 10,609.84 is: 14,642.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,565.05 : 25,620.71 = 10,609.84 : x
  2. Step 2: Convert to fraction form
    18,565.05/25,620.71 = 10,609.84/x
  3. Step 3: Cross multiply
    18,565.05x = 25,620.71 × 10,609.84
  4. Step 4: Simplify right side
    18,565.05x = 271,831,468.65
  5. Step 5: Solve for x
    x = 271,831,468.65/18,565.05
  6. Step 6: Final answer
    x = 14,642.11

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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.