Home / 18,927.48-26,118.66-11,374.13

Finding the Fourth Proportional to 18,927.48, 26,118.66 and 11,374.13

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Solution

The fourth proportional to 18,927.48, 26,118.66 and 11,374.13 is: 15,695.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,927.48 : 26,118.66 = 11,374.13 : x
  2. Step 2: Convert to fraction form
    18,927.48/26,118.66 = 11,374.13/x
  3. Step 3: Cross multiply
    18,927.48x = 26,118.66 × 11,374.13
  4. Step 4: Simplify right side
    18,927.48x = 297,077,034.27
  5. Step 5: Solve for x
    x = 297,077,034.27/18,927.48
  6. Step 6: Final answer
    x = 15,695.54

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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.