Home / 13,029.28-19,543.84-3,168.57

Finding the Fourth Proportional to 13,029.28, 19,543.84 and 3,168.57

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Solution

The fourth proportional to 13,029.28, 19,543.84 and 3,168.57 is: 4,752.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,029.28 : 19,543.84 = 3,168.57 : x
  2. Step 2: Convert to fraction form
    13,029.28/19,543.84 = 3,168.57/x
  3. Step 3: Cross multiply
    13,029.28x = 19,543.84 × 3,168.57
  4. Step 4: Simplify right side
    13,029.28x = 61,926,025.11
  5. Step 5: Solve for x
    x = 61,926,025.11/13,029.28
  6. Step 6: Final answer
    x = 4,752.84

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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.