Home / 18,395.70-25,385.26-10,437.75

Finding the Fourth Proportional to 18,395.70, 25,385.26 and 10,437.75

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Solution

The fourth proportional to 18,395.70, 25,385.26 and 10,437.75 is: 14,403.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,395.70 : 25,385.26 = 10,437.75 : x
  2. Step 2: Convert to fraction form
    18,395.70/25,385.26 = 10,437.75/x
  3. Step 3: Cross multiply
    18,395.70x = 25,385.26 × 10,437.75
  4. Step 4: Simplify right side
    18,395.70x = 264,964,997.57
  5. Step 5: Solve for x
    x = 264,964,997.57/18,395.70
  6. Step 6: Final answer
    x = 14,403.64

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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.