Home / 18,216.86-25,139.94-10,151.24

Finding the Fourth Proportional to 18,216.86, 25,139.94 and 10,151.24

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Solution

The fourth proportional to 18,216.86, 25,139.94 and 10,151.24 is: 14,009.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,216.86 : 25,139.94 = 10,151.24 : x
  2. Step 2: Convert to fraction form
    18,216.86/25,139.94 = 10,151.24/x
  3. Step 3: Cross multiply
    18,216.86x = 25,139.94 × 10,151.24
  4. Step 4: Simplify right side
    18,216.86x = 255,201,564.53
  5. Step 5: Solve for x
    x = 255,201,564.53/18,216.86
  6. Step 6: Final answer
    x = 14,009.09

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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.