Home / 18,367.08-25,345.50-10,409.10

Finding the Fourth Proportional to 18,367.08, 25,345.50 and 10,409.10

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Solution

The fourth proportional to 18,367.08, 25,345.50 and 10,409.10 is: 14,363.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,367.08 : 25,345.50 = 10,409.10 : x
  2. Step 2: Convert to fraction form
    18,367.08/25,345.50 = 10,409.10/x
  3. Step 3: Cross multiply
    18,367.08x = 25,345.50 × 10,409.10
  4. Step 4: Simplify right side
    18,367.08x = 263,823,844.05
  5. Step 5: Solve for x
    x = 263,823,844.05/18,367.08
  6. Step 6: Final answer
    x = 14,363.95

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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.