Home / 19,422.91-26,795.21-12,247.17

Finding the Fourth Proportional to 19,422.91, 26,795.21 and 12,247.17

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Solution

The fourth proportional to 19,422.91, 26,795.21 and 12,247.17 is: 16,895.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,422.91 : 26,795.21 = 12,247.17 : x
  2. Step 2: Convert to fraction form
    19,422.91/26,795.21 = 12,247.17/x
  3. Step 3: Cross multiply
    19,422.91x = 26,795.21 × 12,247.17
  4. Step 4: Simplify right side
    19,422.91x = 328,165,330.34
  5. Step 5: Solve for x
    x = 328,165,330.34/19,422.91
  6. Step 6: Final answer
    x = 16,895.79

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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.