Home / 15,435.20-21,297.84-9,062.52

Finding the Fourth Proportional to 15,435.20, 21,297.84 and 9,062.52

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Solution

The fourth proportional to 15,435.20, 21,297.84 and 9,062.52 is: 12,504.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,435.20 : 21,297.84 = 9,062.52 : x
  2. Step 2: Convert to fraction form
    15,435.20/21,297.84 = 9,062.52/x
  3. Step 3: Cross multiply
    15,435.20x = 21,297.84 × 9,062.52
  4. Step 4: Simplify right side
    15,435.20x = 193,012,100.96
  5. Step 5: Solve for x
    x = 193,012,100.96/15,435.20
  6. Step 6: Final answer
    x = 12,504.68

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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.