Home / 22,720.60-34,023.30-16,845.40

Finding the Fourth Proportional to 22,720.60, 34,023.30 and 16,845.40

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Solution

The fourth proportional to 22,720.60, 34,023.30 and 16,845.40 is: 25,225.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,720.60 : 34,023.30 = 16,845.40 : x
  2. Step 2: Convert to fraction form
    22,720.60/34,023.30 = 16,845.40/x
  3. Step 3: Cross multiply
    22,720.60x = 34,023.30 × 16,845.40
  4. Step 4: Simplify right side
    22,720.60x = 573,136,097.82
  5. Step 5: Solve for x
    x = 573,136,097.82/22,720.60
  6. Step 6: Final answer
    x = 25,225.39

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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.