Home / 14,098.19-19,454.18-8,431.79

Finding the Fourth Proportional to 14,098.19, 19,454.18 and 8,431.79

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Solution

The fourth proportional to 14,098.19, 19,454.18 and 8,431.79 is: 11,635.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,098.19 : 19,454.18 = 8,431.79 : x
  2. Step 2: Convert to fraction form
    14,098.19/19,454.18 = 8,431.79/x
  3. Step 3: Cross multiply
    14,098.19x = 19,454.18 × 8,431.79
  4. Step 4: Simplify right side
    14,098.19x = 164,033,420.95
  5. Step 5: Solve for x
    x = 164,033,420.95/14,098.19
  6. Step 6: Final answer
    x = 11,635.07

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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.