Home / 13,955.12-20,934.72-4,093.10

Finding the Fourth Proportional to 13,955.12, 20,934.72 and 4,093.10

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Solution

The fourth proportional to 13,955.12, 20,934.72 and 4,093.10 is: 6,140.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,955.12 : 20,934.72 = 4,093.10 : x
  2. Step 2: Convert to fraction form
    13,955.12/20,934.72 = 4,093.10/x
  3. Step 3: Cross multiply
    13,955.12x = 20,934.72 × 4,093.10
  4. Step 4: Simplify right side
    13,955.12x = 85,687,876.26
  5. Step 5: Solve for x
    x = 85,687,876.26/13,955.12
  6. Step 6: Final answer
    x = 6,140.25

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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.