Home / 15,464.44-21,360.95-11,439.45

Finding the Fourth Proportional to 15,464.44, 21,360.95 and 11,439.45

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Solution

The fourth proportional to 15,464.44, 21,360.95 and 11,439.45 is: 15,801.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,464.44 : 21,360.95 = 11,439.45 : x
  2. Step 2: Convert to fraction form
    15,464.44/21,360.95 = 11,439.45/x
  3. Step 3: Cross multiply
    15,464.44x = 21,360.95 × 11,439.45
  4. Step 4: Simplify right side
    15,464.44x = 244,357,519.48
  5. Step 5: Solve for x
    x = 244,357,519.48/15,464.44
  6. Step 6: Final answer
    x = 15,801.25

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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.