Home / 19,508.10-26,920.99-10,555.41

Finding the Fourth Proportional to 19,508.10, 26,920.99 and 10,555.41

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Solution

The fourth proportional to 19,508.10, 26,920.99 and 10,555.41 is: 14,566.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,508.10 : 26,920.99 = 10,555.41 : x
  2. Step 2: Convert to fraction form
    19,508.10/26,920.99 = 10,555.41/x
  3. Step 3: Cross multiply
    19,508.10x = 26,920.99 × 10,555.41
  4. Step 4: Simplify right side
    19,508.10x = 284,162,087.06
  5. Step 5: Solve for x
    x = 284,162,087.06/19,508.10
  6. Step 6: Final answer
    x = 14,566.36

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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.