Home / 13,968.08-20,952.06-5,648.00

Finding the Fourth Proportional to 13,968.08, 20,952.06 and 5,648.00

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Solution

The fourth proportional to 13,968.08, 20,952.06 and 5,648.00 is: 8,471.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,968.08 : 20,952.06 = 5,648.00 : x
  2. Step 2: Convert to fraction form
    13,968.08/20,952.06 = 5,648.00/x
  3. Step 3: Cross multiply
    13,968.08x = 20,952.06 × 5,648.00
  4. Step 4: Simplify right side
    13,968.08x = 118,337,151.30
  5. Step 5: Solve for x
    x = 118,337,151.30/13,968.08
  6. Step 6: Final answer
    x = 8,471.97

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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.