Home / 13,059.07-19,545.20-11,891.76

Finding the Fourth Proportional to 13,059.07, 19,545.20 and 11,891.76

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Solution

The fourth proportional to 13,059.07, 19,545.20 and 11,891.76 is: 17,798.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,059.07 : 19,545.20 = 11,891.76 : x
  2. Step 2: Convert to fraction form
    13,059.07/19,545.20 = 11,891.76/x
  3. Step 3: Cross multiply
    13,059.07x = 19,545.20 × 11,891.76
  4. Step 4: Simplify right side
    13,059.07x = 232,426,849.33
  5. Step 5: Solve for x
    x = 232,426,849.33/13,059.07
  6. Step 6: Final answer
    x = 17,798.11

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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.