Home / 13,454.90-20,180.88-3,595.04

Finding the Fourth Proportional to 13,454.90, 20,180.88 and 3,595.04

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Solution

The fourth proportional to 13,454.90, 20,180.88 and 3,595.04 is: 5,392.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,454.90 : 20,180.88 = 3,595.04 : x
  2. Step 2: Convert to fraction form
    13,454.90/20,180.88 = 3,595.04/x
  3. Step 3: Cross multiply
    13,454.90x = 20,180.88 × 3,595.04
  4. Step 4: Simplify right side
    13,454.90x = 72,551,070.84
  5. Step 5: Solve for x
    x = 72,551,070.84/13,454.90
  6. Step 6: Final answer
    x = 5,392.17

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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.