Home / 22,669.80-33,931.90-12,113.44

Finding the Fourth Proportional to 22,669.80, 33,931.90 and 12,113.44

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Solution

The fourth proportional to 22,669.80, 33,931.90 and 12,113.44 is: 18,131.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,669.80 : 33,931.90 = 12,113.44 : x
  2. Step 2: Convert to fraction form
    22,669.80/33,931.90 = 12,113.44/x
  3. Step 3: Cross multiply
    22,669.80x = 33,931.90 × 12,113.44
  4. Step 4: Simplify right side
    22,669.80x = 411,032,034.74
  5. Step 5: Solve for x
    x = 411,032,034.74/22,669.80
  6. Step 6: Final answer
    x = 18,131.26

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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.