Home / 19,589.79-29,319.69-17,838.83

Finding the Fourth Proportional to 19,589.79, 29,319.69 and 17,838.83

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Solution

The fourth proportional to 19,589.79, 29,319.69 and 17,838.83 is: 26,699.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,589.79 : 29,319.69 = 17,838.83 : x
  2. Step 2: Convert to fraction form
    19,589.79/29,319.69 = 17,838.83/x
  3. Step 3: Cross multiply
    19,589.79x = 29,319.69 × 17,838.83
  4. Step 4: Simplify right side
    19,589.79x = 523,028,818.96
  5. Step 5: Solve for x
    x = 523,028,818.96/19,589.79
  6. Step 6: Final answer
    x = 26,699.05

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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.