Home / 23,036.85-31,790.61-13,100.85

Finding the Fourth Proportional to 23,036.85, 31,790.61 and 13,100.85

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Solution

The fourth proportional to 23,036.85, 31,790.61 and 13,100.85 is: 18,079.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,036.85 : 31,790.61 = 13,100.85 : x
  2. Step 2: Convert to fraction form
    23,036.85/31,790.61 = 13,100.85/x
  3. Step 3: Cross multiply
    23,036.85x = 31,790.61 × 13,100.85
  4. Step 4: Simplify right side
    23,036.85x = 416,484,013.02
  5. Step 5: Solve for x
    x = 416,484,013.02/23,036.85
  6. Step 6: Final answer
    x = 18,079.03

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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.