Home / 20,932.02-31,394.58-6,892.23

Finding the Fourth Proportional to 20,932.02, 31,394.58 and 6,892.23

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Solution

The fourth proportional to 20,932.02, 31,394.58 and 6,892.23 is: 10,337.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,932.02 : 31,394.58 = 6,892.23 : x
  2. Step 2: Convert to fraction form
    20,932.02/31,394.58 = 6,892.23/x
  3. Step 3: Cross multiply
    20,932.02x = 31,394.58 × 6,892.23
  4. Step 4: Simplify right side
    20,932.02x = 216,378,666.11
  5. Step 5: Solve for x
    x = 216,378,666.11/20,932.02
  6. Step 6: Final answer
    x = 10,337.21

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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.