Home / 22,485.83-31,029.09-12,414.02

Finding the Fourth Proportional to 22,485.83, 31,029.09 and 12,414.02

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Solution

The fourth proportional to 22,485.83, 31,029.09 and 12,414.02 is: 17,130.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,485.83 : 31,029.09 = 12,414.02 : x
  2. Step 2: Convert to fraction form
    22,485.83/31,029.09 = 12,414.02/x
  3. Step 3: Cross multiply
    22,485.83x = 31,029.09 × 12,414.02
  4. Step 4: Simplify right side
    22,485.83x = 385,195,588.70
  5. Step 5: Solve for x
    x = 385,195,588.70/22,485.83
  6. Step 6: Final answer
    x = 17,130.60

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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.