Home / 14,445.14-19,933.90-8,071.31

Finding the Fourth Proportional to 14,445.14, 19,933.90 and 8,071.31

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Solution

The fourth proportional to 14,445.14, 19,933.90 and 8,071.31 is: 11,138.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,445.14 : 19,933.90 = 8,071.31 : x
  2. Step 2: Convert to fraction form
    14,445.14/19,933.90 = 8,071.31/x
  3. Step 3: Cross multiply
    14,445.14x = 19,933.90 × 8,071.31
  4. Step 4: Simplify right side
    14,445.14x = 160,892,716.07
  5. Step 5: Solve for x
    x = 160,892,716.07/14,445.14
  6. Step 6: Final answer
    x = 11,138.19

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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.