Home / 35,831.54-53,754.95-12,138.26

Finding the Fourth Proportional to 35,831.54, 53,754.95 and 12,138.26

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Solution

The fourth proportional to 35,831.54, 53,754.95 and 12,138.26 is: 18,209.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,831.54 : 53,754.95 = 12,138.26 : x
  2. Step 2: Convert to fraction form
    35,831.54/53,754.95 = 12,138.26/x
  3. Step 3: Cross multiply
    35,831.54x = 53,754.95 × 12,138.26
  4. Step 4: Simplify right side
    35,831.54x = 652,491,229.92
  5. Step 5: Solve for x
    x = 652,491,229.92/35,831.54
  6. Step 6: Final answer
    x = 18,209.97

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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.