Home / 14,431.36-21,644.16-4,040.32

Finding the Fourth Proportional to 14,431.36, 21,644.16 and 4,040.32

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Solution

The fourth proportional to 14,431.36, 21,644.16 and 4,040.32 is: 6,059.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,431.36 : 21,644.16 = 4,040.32 : x
  2. Step 2: Convert to fraction form
    14,431.36/21,644.16 = 4,040.32/x
  3. Step 3: Cross multiply
    14,431.36x = 21,644.16 × 4,040.32
  4. Step 4: Simplify right side
    14,431.36x = 87,449,332.53
  5. Step 5: Solve for x
    x = 87,449,332.53/14,431.36
  6. Step 6: Final answer
    x = 6,059.67

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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.