Home / 25,464.42-38,106.33-18,785.11

Finding the Fourth Proportional to 25,464.42, 38,106.33 and 18,785.11

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Solution

The fourth proportional to 25,464.42, 38,106.33 and 18,785.11 is: 28,111.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,464.42 : 38,106.33 = 18,785.11 : x
  2. Step 2: Convert to fraction form
    25,464.42/38,106.33 = 18,785.11/x
  3. Step 3: Cross multiply
    25,464.42x = 38,106.33 × 18,785.11
  4. Step 4: Simplify right side
    25,464.42x = 715,831,600.75
  5. Step 5: Solve for x
    x = 715,831,600.75/25,464.42
  6. Step 6: Final answer
    x = 28,111.05

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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.