Home / 22,355.08-30,854.46-12,926.68

Finding the Fourth Proportional to 22,355.08, 30,854.46 and 12,926.68

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Solution

The fourth proportional to 22,355.08, 30,854.46 and 12,926.68 is: 17,841.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,355.08 : 30,854.46 = 12,926.68 : x
  2. Step 2: Convert to fraction form
    22,355.08/30,854.46 = 12,926.68/x
  3. Step 3: Cross multiply
    22,355.08x = 30,854.46 × 12,926.68
  4. Step 4: Simplify right side
    22,355.08x = 398,845,730.99
  5. Step 5: Solve for x
    x = 398,845,730.99/22,355.08
  6. Step 6: Final answer
    x = 17,841.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.