Home / 14,106.10-19,462.97-8,438.36

Finding the Fourth Proportional to 14,106.10, 19,462.97 and 8,438.36

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Solution

The fourth proportional to 14,106.10, 19,462.97 and 8,438.36 is: 11,642.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,106.10 : 19,462.97 = 8,438.36 : x
  2. Step 2: Convert to fraction form
    14,106.10/19,462.97 = 8,438.36/x
  3. Step 3: Cross multiply
    14,106.10x = 19,462.97 × 8,438.36
  4. Step 4: Simplify right side
    14,106.10x = 164,235,505.34
  5. Step 5: Solve for x
    x = 164,235,505.34/14,106.10
  6. Step 6: Final answer
    x = 11,642.88

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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.