Home / 18,722.07-25,844.87-12,352.41

Finding the Fourth Proportional to 18,722.07, 25,844.87 and 12,352.41

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Solution

The fourth proportional to 18,722.07, 25,844.87 and 12,352.41 is: 17,051.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,722.07 : 25,844.87 = 12,352.41 : x
  2. Step 2: Convert to fraction form
    18,722.07/25,844.87 = 12,352.41/x
  3. Step 3: Cross multiply
    18,722.07x = 25,844.87 × 12,352.41
  4. Step 4: Simplify right side
    18,722.07x = 319,246,368.87
  5. Step 5: Solve for x
    x = 319,246,368.87/18,722.07
  6. Step 6: Final answer
    x = 17,051.87

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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.