Home / 21,969.12-32,952.90-6,174.28

Finding the Fourth Proportional to 21,969.12, 32,952.90 and 6,174.28

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Solution

The fourth proportional to 21,969.12, 32,952.90 and 6,174.28 is: 9,261.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,969.12 : 32,952.90 = 6,174.28 : x
  2. Step 2: Convert to fraction form
    21,969.12/32,952.90 = 6,174.28/x
  3. Step 3: Cross multiply
    21,969.12x = 32,952.90 × 6,174.28
  4. Step 4: Simplify right side
    21,969.12x = 203,460,431.41
  5. Step 5: Solve for x
    x = 203,460,431.41/21,969.12
  6. Step 6: Final answer
    x = 9,261.20

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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.