Home / 19,116.05-26,379.30-10,618.76

Finding the Fourth Proportional to 19,116.05, 26,379.30 and 10,618.76

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Solution

The fourth proportional to 19,116.05, 26,379.30 and 10,618.76 is: 14,653.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,116.05 : 26,379.30 = 10,618.76 : x
  2. Step 2: Convert to fraction form
    19,116.05/26,379.30 = 10,618.76/x
  3. Step 3: Cross multiply
    19,116.05x = 26,379.30 × 10,618.76
  4. Step 4: Simplify right side
    19,116.05x = 280,115,402.57
  5. Step 5: Solve for x
    x = 280,115,402.57/19,116.05
  6. Step 6: Final answer
    x = 14,653.41

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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.