Home / 14,831.07-20,474.28-8,542.23

Finding the Fourth Proportional to 14,831.07, 20,474.28 and 8,542.23

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Solution

The fourth proportional to 14,831.07, 20,474.28 and 8,542.23 is: 11,792.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,831.07 : 20,474.28 = 8,542.23 : x
  2. Step 2: Convert to fraction form
    14,831.07/20,474.28 = 8,542.23/x
  3. Step 3: Cross multiply
    14,831.07x = 20,474.28 × 8,542.23
  4. Step 4: Simplify right side
    14,831.07x = 174,896,008.84
  5. Step 5: Solve for x
    x = 174,896,008.84/14,831.07
  6. Step 6: Final answer
    x = 11,792.54

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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.