Home / 19,058.88-28,589.10-5,911.32

Finding the Fourth Proportional to 19,058.88, 28,589.10 and 5,911.32

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Solution

The fourth proportional to 19,058.88, 28,589.10 and 5,911.32 is: 8,867.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,058.88 : 28,589.10 = 5,911.32 : x
  2. Step 2: Convert to fraction form
    19,058.88/28,589.10 = 5,911.32/x
  3. Step 3: Cross multiply
    19,058.88x = 28,589.10 × 5,911.32
  4. Step 4: Simplify right side
    19,058.88x = 168,999,318.61
  5. Step 5: Solve for x
    x = 168,999,318.61/19,058.88
  6. Step 6: Final answer
    x = 8,867.22

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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.