Home / 13,849.47-19,112.26-7,561.85

Finding the Fourth Proportional to 13,849.47, 19,112.26 and 7,561.85

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Solution

The fourth proportional to 13,849.47, 19,112.26 and 7,561.85 is: 10,435.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,849.47 : 19,112.26 = 7,561.85 : x
  2. Step 2: Convert to fraction form
    13,849.47/19,112.26 = 7,561.85/x
  3. Step 3: Cross multiply
    13,849.47x = 19,112.26 × 7,561.85
  4. Step 4: Simplify right side
    13,849.47x = 144,523,909.91
  5. Step 5: Solve for x
    x = 144,523,909.91/13,849.47
  6. Step 6: Final answer
    x = 10,435.34

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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.