Home / 20,095.11-30,155.49-14,168.34

Finding the Fourth Proportional to 20,095.11, 30,155.49 and 14,168.34

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Solution

The fourth proportional to 20,095.11, 30,155.49 and 14,168.34 is: 21,261.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,095.11 : 30,155.49 = 14,168.34 : x
  2. Step 2: Convert to fraction form
    20,095.11/30,155.49 = 14,168.34/x
  3. Step 3: Cross multiply
    20,095.11x = 30,155.49 × 14,168.34
  4. Step 4: Simplify right side
    20,095.11x = 427,253,235.19
  5. Step 5: Solve for x
    x = 427,253,235.19/20,095.11
  6. Step 6: Final answer
    x = 21,261.55

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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.