Home / 15,618.20-21,552.84-9,567.50

Finding the Fourth Proportional to 15,618.20, 21,552.84 and 9,567.50

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Solution

The fourth proportional to 15,618.20, 21,552.84 and 9,567.50 is: 13,202.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,618.20 : 21,552.84 = 9,567.50 : x
  2. Step 2: Convert to fraction form
    15,618.20/21,552.84 = 9,567.50/x
  3. Step 3: Cross multiply
    15,618.20x = 21,552.84 × 9,567.50
  4. Step 4: Simplify right side
    15,618.20x = 206,206,688.94
  5. Step 5: Solve for x
    x = 206,206,688.94/15,618.20
  6. Step 6: Final answer
    x = 13,202.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.