Home / 13,886.12-20,831.01-4,025.18

Finding the Fourth Proportional to 13,886.12, 20,831.01 and 4,025.18

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Solution

The fourth proportional to 13,886.12, 20,831.01 and 4,025.18 is: 6,038.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,886.12 : 20,831.01 = 4,025.18 : x
  2. Step 2: Convert to fraction form
    13,886.12/20,831.01 = 4,025.18/x
  3. Step 3: Cross multiply
    13,886.12x = 20,831.01 × 4,025.18
  4. Step 4: Simplify right side
    13,886.12x = 83,848,601.81
  5. Step 5: Solve for x
    x = 83,848,601.81/13,886.12
  6. Step 6: Final answer
    x = 6,038.30

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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.