Home / 23,122.48-31,902.36-13,050.40

Finding the Fourth Proportional to 23,122.48, 31,902.36 and 13,050.40

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Solution

The fourth proportional to 23,122.48, 31,902.36 and 13,050.40 is: 18,005.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,122.48 : 31,902.36 = 13,050.40 : x
  2. Step 2: Convert to fraction form
    23,122.48/31,902.36 = 13,050.40/x
  3. Step 3: Cross multiply
    23,122.48x = 31,902.36 × 13,050.40
  4. Step 4: Simplify right side
    23,122.48x = 416,338,558.94
  5. Step 5: Solve for x
    x = 416,338,558.94/23,122.48
  6. Step 6: Final answer
    x = 18,005.79

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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.