Home / 19,599.01-27,028.21-15,115.66

Finding the Fourth Proportional to 19,599.01, 27,028.21 and 15,115.66

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Solution

The fourth proportional to 19,599.01, 27,028.21 and 15,115.66 is: 20,845.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,599.01 : 27,028.21 = 15,115.66 : x
  2. Step 2: Convert to fraction form
    19,599.01/27,028.21 = 15,115.66/x
  3. Step 3: Cross multiply
    19,599.01x = 27,028.21 × 15,115.66
  4. Step 4: Simplify right side
    19,599.01x = 408,549,232.77
  5. Step 5: Solve for x
    x = 408,549,232.77/19,599.01
  6. Step 6: Final answer
    x = 20,845.40

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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.