Home / 13,444.20-20,168.10-4,681.80

Finding the Fourth Proportional to 13,444.20, 20,168.10 and 4,681.80

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Solution

The fourth proportional to 13,444.20, 20,168.10 and 4,681.80 is: 7,023.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,444.20 : 20,168.10 = 4,681.80 : x
  2. Step 2: Convert to fraction form
    13,444.20/20,168.10 = 4,681.80/x
  3. Step 3: Cross multiply
    13,444.20x = 20,168.10 × 4,681.80
  4. Step 4: Simplify right side
    13,444.20x = 94,423,010.58
  5. Step 5: Solve for x
    x = 94,423,010.58/13,444.20
  6. Step 6: Final answer
    x = 7,023.33

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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.