Home / 13,849.42-19,112.16-7,561.84

Finding the Fourth Proportional to 13,849.42, 19,112.16 and 7,561.84

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Solution

The fourth proportional to 13,849.42, 19,112.16 and 7,561.84 is: 10,435.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,849.42 : 19,112.16 = 7,561.84 : x
  2. Step 2: Convert to fraction form
    13,849.42/19,112.16 = 7,561.84/x
  3. Step 3: Cross multiply
    13,849.42x = 19,112.16 × 7,561.84
  4. Step 4: Simplify right side
    13,849.42x = 144,523,095.97
  5. Step 5: Solve for x
    x = 144,523,095.97/13,849.42
  6. Step 6: Final answer
    x = 10,435.32

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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.