Home / 20,677.53-31,011.60-5,886.12

Finding the Fourth Proportional to 20,677.53, 31,011.60 and 5,886.12

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Solution

The fourth proportional to 20,677.53, 31,011.60 and 5,886.12 is: 8,827.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,677.53 : 31,011.60 = 5,886.12 : x
  2. Step 2: Convert to fraction form
    20,677.53/31,011.60 = 5,886.12/x
  3. Step 3: Cross multiply
    20,677.53x = 31,011.60 × 5,886.12
  4. Step 4: Simplify right side
    20,677.53x = 182,537,998.99
  5. Step 5: Solve for x
    x = 182,537,998.99/20,677.53
  6. Step 6: Final answer
    x = 8,827.84

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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.