Home / 14,104.53-19,462.95-8,438.18

Finding the Fourth Proportional to 14,104.53, 19,462.95 and 8,438.18

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Solution

The fourth proportional to 14,104.53, 19,462.95 and 8,438.18 is: 11,643.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,104.53 : 19,462.95 = 8,438.18 : x
  2. Step 2: Convert to fraction form
    14,104.53/19,462.95 = 8,438.18/x
  3. Step 3: Cross multiply
    14,104.53x = 19,462.95 × 8,438.18
  4. Step 4: Simplify right side
    14,104.53x = 164,231,778.12
  5. Step 5: Solve for x
    x = 164,231,778.12/14,104.53
  6. Step 6: Final answer
    x = 11,643.90

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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.