Home / 20,841.42-31,255.60-6,051.36

Finding the Fourth Proportional to 20,841.42, 31,255.60 and 6,051.36

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Solution

The fourth proportional to 20,841.42, 31,255.60 and 6,051.36 is: 9,075.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,841.42 : 31,255.60 = 6,051.36 : x
  2. Step 2: Convert to fraction form
    20,841.42/31,255.60 = 6,051.36/x
  3. Step 3: Cross multiply
    20,841.42x = 31,255.60 × 6,051.36
  4. Step 4: Simplify right side
    20,841.42x = 189,138,887.62
  5. Step 5: Solve for x
    x = 189,138,887.62/20,841.42
  6. Step 6: Final answer
    x = 9,075.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.