Home / 22,384.08-30,889.62-15,310.26

Finding the Fourth Proportional to 22,384.08, 30,889.62 and 15,310.26

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Solution

The fourth proportional to 22,384.08, 30,889.62 and 15,310.26 is: 21,127.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,384.08 : 30,889.62 = 15,310.26 : x
  2. Step 2: Convert to fraction form
    22,384.08/30,889.62 = 15,310.26/x
  3. Step 3: Cross multiply
    22,384.08x = 30,889.62 × 15,310.26
  4. Step 4: Simplify right side
    22,384.08x = 472,928,113.50
  5. Step 5: Solve for x
    x = 472,928,113.50/22,384.08
  6. Step 6: Final answer
    x = 21,127.88

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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.