Home / 20,841.92-31,256.35-6,051.86

Finding the Fourth Proportional to 20,841.92, 31,256.35 and 6,051.86

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Solution

The fourth proportional to 20,841.92, 31,256.35 and 6,051.86 is: 9,075.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,841.92 : 31,256.35 = 6,051.86 : x
  2. Step 2: Convert to fraction form
    20,841.92/31,256.35 = 6,051.86/x
  3. Step 3: Cross multiply
    20,841.92x = 31,256.35 × 6,051.86
  4. Step 4: Simplify right side
    20,841.92x = 189,159,054.31
  5. Step 5: Solve for x
    x = 189,159,054.31/20,841.92
  6. Step 6: Final answer
    x = 9,075.89

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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.