Home / 13,950.84-19,251.90-7,663.08

Finding the Fourth Proportional to 13,950.84, 19,251.90 and 7,663.08

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Solution

The fourth proportional to 13,950.84, 19,251.90 and 7,663.08 is: 10,574.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,950.84 : 19,251.90 = 7,663.08 : x
  2. Step 2: Convert to fraction form
    13,950.84/19,251.90 = 7,663.08/x
  3. Step 3: Cross multiply
    13,950.84x = 19,251.90 × 7,663.08
  4. Step 4: Simplify right side
    13,950.84x = 147,528,849.85
  5. Step 5: Solve for x
    x = 147,528,849.85/13,950.84
  6. Step 6: Final answer
    x = 10,574.91

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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.