Home / 18,536.86-25,589.01-11,831.23

Finding the Fourth Proportional to 18,536.86, 25,589.01 and 11,831.23

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Solution

The fourth proportional to 18,536.86, 25,589.01 and 11,831.23 is: 16,332.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,536.86 : 25,589.01 = 11,831.23 : x
  2. Step 2: Convert to fraction form
    18,536.86/25,589.01 = 11,831.23/x
  3. Step 3: Cross multiply
    18,536.86x = 25,589.01 × 11,831.23
  4. Step 4: Simplify right side
    18,536.86x = 302,749,462.78
  5. Step 5: Solve for x
    x = 302,749,462.78/18,536.86
  6. Step 6: Final answer
    x = 16,332.29

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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.