Home / 15,467.15-21,350.08-9,499.38

Finding the Fourth Proportional to 15,467.15, 21,350.08 and 9,499.38

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Solution

The fourth proportional to 15,467.15, 21,350.08 and 9,499.38 is: 13,112.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,467.15 : 21,350.08 = 9,499.38 : x
  2. Step 2: Convert to fraction form
    15,467.15/21,350.08 = 9,499.38/x
  3. Step 3: Cross multiply
    15,467.15x = 21,350.08 × 9,499.38
  4. Step 4: Simplify right side
    15,467.15x = 202,812,454.76
  5. Step 5: Solve for x
    x = 202,812,454.76/15,467.15
  6. Step 6: Final answer
    x = 13,112.46

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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.