Home / 20,873.59-31,315.50-6,082.64

Finding the Fourth Proportional to 20,873.59, 31,315.50 and 6,082.64

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Solution

The fourth proportional to 20,873.59, 31,315.50 and 6,082.64 is: 9,125.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,873.59 : 31,315.50 = 6,082.64 : x
  2. Step 2: Convert to fraction form
    20,873.59/31,315.50 = 6,082.64/x
  3. Step 3: Cross multiply
    20,873.59x = 31,315.50 × 6,082.64
  4. Step 4: Simplify right side
    20,873.59x = 190,480,912.92
  5. Step 5: Solve for x
    x = 190,480,912.92/20,873.59
  6. Step 6: Final answer
    x = 9,125.45

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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.