Home / 20,849.12-31,276.76-6,056.12

Finding the Fourth Proportional to 20,849.12, 31,276.76 and 6,056.12

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Solution

The fourth proportional to 20,849.12, 31,276.76 and 6,056.12 is: 9,085.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,849.12 : 31,276.76 = 6,056.12 : x
  2. Step 2: Convert to fraction form
    20,849.12/31,276.76 = 6,056.12/x
  3. Step 3: Cross multiply
    20,849.12x = 31,276.76 × 6,056.12
  4. Step 4: Simplify right side
    20,849.12x = 189,415,700.78
  5. Step 5: Solve for x
    x = 189,415,700.78/20,849.12
  6. Step 6: Final answer
    x = 9,085.07

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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.