Home / 14,647.72-21,972.66-5,293.30

Finding the Fourth Proportional to 14,647.72, 21,972.66 and 5,293.30

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Solution

The fourth proportional to 14,647.72, 21,972.66 and 5,293.30 is: 7,940.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,647.72 : 21,972.66 = 5,293.30 : x
  2. Step 2: Convert to fraction form
    14,647.72/21,972.66 = 5,293.30/x
  3. Step 3: Cross multiply
    14,647.72x = 21,972.66 × 5,293.30
  4. Step 4: Simplify right side
    14,647.72x = 116,307,881.18
  5. Step 5: Solve for x
    x = 116,307,881.18/14,647.72
  6. Step 6: Final answer
    x = 7,940.34

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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.