Home / 19,623.56-27,064.50-15,845.64

Finding the Fourth Proportional to 19,623.56, 27,064.50 and 15,845.64

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Solution

The fourth proportional to 19,623.56, 27,064.50 and 15,845.64 is: 21,854.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,623.56 : 27,064.50 = 15,845.64 : x
  2. Step 2: Convert to fraction form
    19,623.56/27,064.50 = 15,845.64/x
  3. Step 3: Cross multiply
    19,623.56x = 27,064.50 × 15,845.64
  4. Step 4: Simplify right side
    19,623.56x = 428,854,323.78
  5. Step 5: Solve for x
    x = 428,854,323.78/19,623.56
  6. Step 6: Final answer
    x = 21,854.05

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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.