Home / 14,079.71-19,434.85-8,113.76

Finding the Fourth Proportional to 14,079.71, 19,434.85 and 8,113.76

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Solution

The fourth proportional to 14,079.71, 19,434.85 and 8,113.76 is: 11,199.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,079.71 : 19,434.85 = 8,113.76 : x
  2. Step 2: Convert to fraction form
    14,079.71/19,434.85 = 8,113.76/x
  3. Step 3: Cross multiply
    14,079.71x = 19,434.85 × 8,113.76
  4. Step 4: Simplify right side
    14,079.71x = 157,689,611.36
  5. Step 5: Solve for x
    x = 157,689,611.36/14,079.71
  6. Step 6: Final answer
    x = 11,199.78

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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.