Home / 23,971.28-33,081.50-13,360.99

Finding the Fourth Proportional to 23,971.28, 33,081.50 and 13,360.99

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Solution

The fourth proportional to 23,971.28, 33,081.50 and 13,360.99 is: 18,438.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,971.28 : 33,081.50 = 13,360.99 : x
  2. Step 2: Convert to fraction form
    23,971.28/33,081.50 = 13,360.99/x
  3. Step 3: Cross multiply
    23,971.28x = 33,081.50 × 13,360.99
  4. Step 4: Simplify right side
    23,971.28x = 442,001,590.69
  5. Step 5: Solve for x
    x = 442,001,590.69/23,971.28
  6. Step 6: Final answer
    x = 18,438.80

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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.