Home / 18,831.99-28,252.55-5,683.56

Finding the Fourth Proportional to 18,831.99, 28,252.55 and 5,683.56

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Solution

The fourth proportional to 18,831.99, 28,252.55 and 5,683.56 is: 8,526.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,831.99 : 28,252.55 = 5,683.56 : x
  2. Step 2: Convert to fraction form
    18,831.99/28,252.55 = 5,683.56/x
  3. Step 3: Cross multiply
    18,831.99x = 28,252.55 × 5,683.56
  4. Step 4: Simplify right side
    18,831.99x = 160,575,034.66
  5. Step 5: Solve for x
    x = 160,575,034.66/18,831.99
  6. Step 6: Final answer
    x = 8,526.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.