Home / 13,255.01-19,882.60-3,894.99

Finding the Fourth Proportional to 13,255.01, 19,882.60 and 3,894.99

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Solution

The fourth proportional to 13,255.01, 19,882.60 and 3,894.99 is: 5,842.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,255.01 : 19,882.60 = 3,894.99 : x
  2. Step 2: Convert to fraction form
    13,255.01/19,882.60 = 3,894.99/x
  3. Step 3: Cross multiply
    13,255.01x = 19,882.60 × 3,894.99
  4. Step 4: Simplify right side
    13,255.01x = 77,442,409.29
  5. Step 5: Solve for x
    x = 77,442,409.29/13,255.01
  6. Step 6: Final answer
    x = 5,842.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.