Home / 19,196.12-28,787.30-7,353.23

Finding the Fourth Proportional to 19,196.12, 28,787.30 and 7,353.23

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Solution

The fourth proportional to 19,196.12, 28,787.30 and 7,353.23 is: 11,027.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,196.12 : 28,787.30 = 7,353.23 : x
  2. Step 2: Convert to fraction form
    19,196.12/28,787.30 = 7,353.23/x
  3. Step 3: Cross multiply
    19,196.12x = 28,787.30 × 7,353.23
  4. Step 4: Simplify right side
    19,196.12x = 211,679,475.66
  5. Step 5: Solve for x
    x = 211,679,475.66/19,196.12
  6. Step 6: Final answer
    x = 11,027.20

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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.