Home / 12,950.28-19,426.62-5,553.08

Finding the Fourth Proportional to 12,950.28, 19,426.62 and 5,553.08

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Solution

The fourth proportional to 12,950.28, 19,426.62 and 5,553.08 is: 8,330.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,950.28 : 19,426.62 = 5,553.08 : x
  2. Step 2: Convert to fraction form
    12,950.28/19,426.62 = 5,553.08/x
  3. Step 3: Cross multiply
    12,950.28x = 19,426.62 × 5,553.08
  4. Step 4: Simplify right side
    12,950.28x = 107,877,574.99
  5. Step 5: Solve for x
    x = 107,877,574.99/12,950.28
  6. Step 6: Final answer
    x = 8,330.13

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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.