Home / 18,351.90-25,326.18-10,395.27

Finding the Fourth Proportional to 18,351.90, 25,326.18 and 10,395.27

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Solution

The fourth proportional to 18,351.90, 25,326.18 and 10,395.27 is: 14,345.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,351.90 : 25,326.18 = 10,395.27 : x
  2. Step 2: Convert to fraction form
    18,351.90/25,326.18 = 10,395.27/x
  3. Step 3: Cross multiply
    18,351.90x = 25,326.18 × 10,395.27
  4. Step 4: Simplify right side
    18,351.90x = 263,272,479.17
  5. Step 5: Solve for x
    x = 263,272,479.17/18,351.90
  6. Step 6: Final answer
    x = 14,345.79

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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.