Home / 22,493.90-31,037.36-12,937.12

Finding the Fourth Proportional to 22,493.90, 31,037.36 and 12,937.12

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Solution

The fourth proportional to 22,493.90, 31,037.36 and 12,937.12 is: 17,850.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,493.90 : 31,037.36 = 12,937.12 : x
  2. Step 2: Convert to fraction form
    22,493.90/31,037.36 = 12,937.12/x
  3. Step 3: Cross multiply
    22,493.90x = 31,037.36 × 12,937.12
  4. Step 4: Simplify right side
    22,493.90x = 401,534,050.80
  5. Step 5: Solve for x
    x = 401,534,050.80/22,493.90
  6. Step 6: Final answer
    x = 17,850.80

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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.