Home / 19,471.03-26,870.00-11,087.53

Finding the Fourth Proportional to 19,471.03, 26,870.00 and 11,087.53

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Solution

The fourth proportional to 19,471.03, 26,870.00 and 11,087.53 is: 15,300.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,471.03 : 26,870.00 = 11,087.53 : x
  2. Step 2: Convert to fraction form
    19,471.03/26,870.00 = 11,087.53/x
  3. Step 3: Cross multiply
    19,471.03x = 26,870.00 × 11,087.53
  4. Step 4: Simplify right side
    19,471.03x = 297,921,875.66
  5. Step 5: Solve for x
    x = 297,921,875.66/19,471.03
  6. Step 6: Final answer
    x = 15,300.78

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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.