Home / 19,471.05-26,870.06-10,518.57

Finding the Fourth Proportional to 19,471.05, 26,870.06 and 10,518.57

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Solution

The fourth proportional to 19,471.05, 26,870.06 and 10,518.57 is: 14,515.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,471.05 : 26,870.06 = 10,518.57 : x
  2. Step 2: Convert to fraction form
    19,471.05/26,870.06 = 10,518.57/x
  3. Step 3: Cross multiply
    19,471.05x = 26,870.06 × 10,518.57
  4. Step 4: Simplify right side
    19,471.05x = 282,634,633.31
  5. Step 5: Solve for x
    x = 282,634,633.31/19,471.05
  6. Step 6: Final answer
    x = 14,515.63

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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.