Home / 19,508.18-26,921.10-10,555.49

Finding the Fourth Proportional to 19,508.18, 26,921.10 and 10,555.49

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Solution

The fourth proportional to 19,508.18, 26,921.10 and 10,555.49 is: 14,566.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,508.18 : 26,921.10 = 10,555.49 : x
  2. Step 2: Convert to fraction form
    19,508.18/26,921.10 = 10,555.49/x
  3. Step 3: Cross multiply
    19,508.18x = 26,921.10 × 10,555.49
  4. Step 4: Simplify right side
    19,508.18x = 284,165,227.65
  5. Step 5: Solve for x
    x = 284,165,227.65/19,508.18
  6. Step 6: Final answer
    x = 14,566.47

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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.