Home / 22,319.02-33,431.55-10,620.46

Finding the Fourth Proportional to 22,319.02, 33,431.55 and 10,620.46

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Solution

The fourth proportional to 22,319.02, 33,431.55 and 10,620.46 is: 15,908.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,319.02 : 33,431.55 = 10,620.46 : x
  2. Step 2: Convert to fraction form
    22,319.02/33,431.55 = 10,620.46/x
  3. Step 3: Cross multiply
    22,319.02x = 33,431.55 × 10,620.46
  4. Step 4: Simplify right side
    22,319.02x = 355,058,439.51
  5. Step 5: Solve for x
    x = 355,058,439.51/22,319.02
  6. Step 6: Final answer
    x = 15,908.33

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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.