Home / 20,712.95-31,068.90-6,673.94

Finding the Fourth Proportional to 20,712.95, 31,068.90 and 6,673.94

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Solution

The fourth proportional to 20,712.95, 31,068.90 and 6,673.94 is: 10,010.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,712.95 : 31,068.90 = 6,673.94 : x
  2. Step 2: Convert to fraction form
    20,712.95/31,068.90 = 6,673.94/x
  3. Step 3: Cross multiply
    20,712.95x = 31,068.90 × 6,673.94
  4. Step 4: Simplify right side
    20,712.95x = 207,351,819.12
  5. Step 5: Solve for x
    x = 207,351,819.12/20,712.95
  6. Step 6: Final answer
    x = 10,010.74

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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.