Home / 22,458.20-33,688.48-9,975.28

Finding the Fourth Proportional to 22,458.20, 33,688.48 and 9,975.28

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Solution

The fourth proportional to 22,458.20, 33,688.48 and 9,975.28 is: 14,963.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,458.20 : 33,688.48 = 9,975.28 : x
  2. Step 2: Convert to fraction form
    22,458.20/33,688.48 = 9,975.28/x
  3. Step 3: Cross multiply
    22,458.20x = 33,688.48 × 9,975.28
  4. Step 4: Simplify right side
    22,458.20x = 336,052,020.77
  5. Step 5: Solve for x
    x = 336,052,020.77/22,458.20
  6. Step 6: Final answer
    x = 14,963.44

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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.