Home / 14,117.41-19,479.45-8,146.90

Finding the Fourth Proportional to 14,117.41, 19,479.45 and 8,146.90

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Solution

The fourth proportional to 14,117.41, 19,479.45 and 8,146.90 is: 11,241.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,117.41 : 19,479.45 = 8,146.90 : x
  2. Step 2: Convert to fraction form
    14,117.41/19,479.45 = 8,146.90/x
  3. Step 3: Cross multiply
    14,117.41x = 19,479.45 × 8,146.90
  4. Step 4: Simplify right side
    14,117.41x = 158,697,131.21
  5. Step 5: Solve for x
    x = 158,697,131.21/14,117.41
  6. Step 6: Final answer
    x = 11,241.24

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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.