Home / 20,697.63-31,037.23-5,903.09

Finding the Fourth Proportional to 20,697.63, 31,037.23 and 5,903.09

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Solution

The fourth proportional to 20,697.63, 31,037.23 and 5,903.09 is: 8,852.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,697.63 : 31,037.23 = 5,903.09 : x
  2. Step 2: Convert to fraction form
    20,697.63/31,037.23 = 5,903.09/x
  3. Step 3: Cross multiply
    20,697.63x = 31,037.23 × 5,903.09
  4. Step 4: Simplify right side
    20,697.63x = 183,215,410.13
  5. Step 5: Solve for x
    x = 183,215,410.13/20,697.63
  6. Step 6: Final answer
    x = 8,852.00

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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.