Home / 19,186.93-26,479.90-10,690.43

Finding the Fourth Proportional to 19,186.93, 26,479.90 and 10,690.43

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Solution

The fourth proportional to 19,186.93, 26,479.90 and 10,690.43 is: 14,753.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,186.93 : 26,479.90 = 10,690.43 : x
  2. Step 2: Convert to fraction form
    19,186.93/26,479.90 = 10,690.43/x
  3. Step 3: Cross multiply
    19,186.93x = 26,479.90 × 10,690.43
  4. Step 4: Simplify right side
    19,186.93x = 283,081,487.14
  5. Step 5: Solve for x
    x = 283,081,487.14/19,186.93
  6. Step 6: Final answer
    x = 14,753.87

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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.