Home / 14,438.18-19,924.98-8,149.34

Finding the Fourth Proportional to 14,438.18, 19,924.98 and 8,149.34

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Solution

The fourth proportional to 14,438.18, 19,924.98 and 8,149.34 is: 11,246.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,438.18 : 19,924.98 = 8,149.34 : x
  2. Step 2: Convert to fraction form
    14,438.18/19,924.98 = 8,149.34/x
  3. Step 3: Cross multiply
    14,438.18x = 19,924.98 × 8,149.34
  4. Step 4: Simplify right side
    14,438.18x = 162,375,436.51
  5. Step 5: Solve for x
    x = 162,375,436.51/14,438.18
  6. Step 6: Final answer
    x = 11,246.25

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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.