Home / 13,229.64-19,822.38-9,325.80

Finding the Fourth Proportional to 13,229.64, 19,822.38 and 9,325.80

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Solution

The fourth proportional to 13,229.64, 19,822.38 and 9,325.80 is: 13,973.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,229.64 : 19,822.38 = 9,325.80 : x
  2. Step 2: Convert to fraction form
    13,229.64/19,822.38 = 9,325.80/x
  3. Step 3: Cross multiply
    13,229.64x = 19,822.38 × 9,325.80
  4. Step 4: Simplify right side
    13,229.64x = 184,859,551.40
  5. Step 5: Solve for x
    x = 184,859,551.40/13,229.64
  6. Step 6: Final answer
    x = 13,973.14

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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.