Home / 13,888.06-20,831.45-4,027.12

Finding the Fourth Proportional to 13,888.06, 20,831.45 and 4,027.12

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Solution

The fourth proportional to 13,888.06, 20,831.45 and 4,027.12 is: 6,040.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,888.06 : 20,831.45 = 4,027.12 : x
  2. Step 2: Convert to fraction form
    13,888.06/20,831.45 = 4,027.12/x
  3. Step 3: Cross multiply
    13,888.06x = 20,831.45 × 4,027.12
  4. Step 4: Simplify right side
    13,888.06x = 83,890,676.71
  5. Step 5: Solve for x
    x = 83,890,676.71/13,888.06
  6. Step 6: Final answer
    x = 6,040.49

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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.