Home / 20,695.17-31,037.60-5,904.21

Finding the Fourth Proportional to 20,695.17, 31,037.60 and 5,904.21

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Solution

The fourth proportional to 20,695.17, 31,037.60 and 5,904.21 is: 8,854.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,695.17 : 31,037.60 = 5,904.21 : x
  2. Step 2: Convert to fraction form
    20,695.17/31,037.60 = 5,904.21/x
  3. Step 3: Cross multiply
    20,695.17x = 31,037.60 × 5,904.21
  4. Step 4: Simplify right side
    20,695.17x = 183,252,508.30
  5. Step 5: Solve for x
    x = 183,252,508.30/20,695.17
  6. Step 6: Final answer
    x = 8,854.84

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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.