Home / 14,445.92-19,933.35-8,071.70

Finding the Fourth Proportional to 14,445.92, 19,933.35 and 8,071.70

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Solution

The fourth proportional to 14,445.92, 19,933.35 and 8,071.70 is: 11,137.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,445.92 : 19,933.35 = 8,071.70 : x
  2. Step 2: Convert to fraction form
    14,445.92/19,933.35 = 8,071.70/x
  3. Step 3: Cross multiply
    14,445.92x = 19,933.35 × 8,071.70
  4. Step 4: Simplify right side
    14,445.92x = 160,895,921.53
  5. Step 5: Solve for x
    x = 160,895,921.53/14,445.92
  6. Step 6: Final answer
    x = 11,137.81

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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.