Home / 14,068.66-19,417.14-8,103.78

Finding the Fourth Proportional to 14,068.66, 19,417.14 and 8,103.78

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Solution

The fourth proportional to 14,068.66, 19,417.14 and 8,103.78 is: 11,184.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,068.66 : 19,417.14 = 8,103.78 : x
  2. Step 2: Convert to fraction form
    14,068.66/19,417.14 = 8,103.78/x
  3. Step 3: Cross multiply
    14,068.66x = 19,417.14 × 8,103.78
  4. Step 4: Simplify right side
    14,068.66x = 157,352,190.27
  5. Step 5: Solve for x
    x = 157,352,190.27/14,068.66
  6. Step 6: Final answer
    x = 11,184.59

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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.