Home / 22,913.94-31,621.77-12,841.92

Finding the Fourth Proportional to 22,913.94, 31,621.77 and 12,841.92

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Solution

The fourth proportional to 22,913.94, 31,621.77 and 12,841.92 is: 17,722.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,913.94 : 31,621.77 = 12,841.92 : x
  2. Step 2: Convert to fraction form
    22,913.94/31,621.77 = 12,841.92/x
  3. Step 3: Cross multiply
    22,913.94x = 31,621.77 × 12,841.92
  4. Step 4: Simplify right side
    22,913.94x = 406,084,240.60
  5. Step 5: Solve for x
    x = 406,084,240.60/22,913.94
  6. Step 6: Final answer
    x = 17,722.15

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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.