Home / 20,712.92-31,065.02-6,674.23

Finding the Fourth Proportional to 20,712.92, 31,065.02 and 6,674.23

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Solution

The fourth proportional to 20,712.92, 31,065.02 and 6,674.23 is: 10,009.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,712.92 : 31,065.02 = 6,674.23 : x
  2. Step 2: Convert to fraction form
    20,712.92/31,065.02 = 6,674.23/x
  3. Step 3: Cross multiply
    20,712.92x = 31,065.02 × 6,674.23
  4. Step 4: Simplify right side
    20,712.92x = 207,334,899.74
  5. Step 5: Solve for x
    x = 207,334,899.74/20,712.92
  6. Step 6: Final answer
    x = 10,009.93

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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.