Home / 14,343.18-19,791.44-8,054.34

Finding the Fourth Proportional to 14,343.18, 19,791.44 and 8,054.34

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Solution

The fourth proportional to 14,343.18, 19,791.44 and 8,054.34 is: 11,113.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,343.18 : 19,791.44 = 8,054.34 : x
  2. Step 2: Convert to fraction form
    14,343.18/19,791.44 = 8,054.34/x
  3. Step 3: Cross multiply
    14,343.18x = 19,791.44 × 8,054.34
  4. Step 4: Simplify right side
    14,343.18x = 159,406,946.58
  5. Step 5: Solve for x
    x = 159,406,946.58/14,343.18
  6. Step 6: Final answer
    x = 11,113.78

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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.