Home / 14,202.41-21,307.66-5,438.00

Finding the Fourth Proportional to 14,202.41, 21,307.66 and 5,438.00

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Solution

The fourth proportional to 14,202.41, 21,307.66 and 5,438.00 is: 8,158.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,202.41 : 21,307.66 = 5,438.00 : x
  2. Step 2: Convert to fraction form
    14,202.41/21,307.66 = 5,438.00/x
  3. Step 3: Cross multiply
    14,202.41x = 21,307.66 × 5,438.00
  4. Step 4: Simplify right side
    14,202.41x = 115,871,094.75
  5. Step 5: Solve for x
    x = 115,871,094.75/14,202.41
  6. Step 6: Final answer
    x = 8,158.55

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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.