Home / 13,849.53-19,113.95-7,799.82

Finding the Fourth Proportional to 13,849.53, 19,113.95 and 7,799.82

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Solution

The fourth proportional to 13,849.53, 19,113.95 and 7,799.82 is: 10,764.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,849.53 : 19,113.95 = 7,799.82 : x
  2. Step 2: Convert to fraction form
    13,849.53/19,113.95 = 7,799.82/x
  3. Step 3: Cross multiply
    13,849.53x = 19,113.95 × 7,799.82
  4. Step 4: Simplify right side
    13,849.53x = 149,085,369.49
  5. Step 5: Solve for x
    x = 149,085,369.49/13,849.53
  6. Step 6: Final answer
    x = 10,764.66

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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.