Home / 20,263.02-27,961.74-11,310.09

Finding the Fourth Proportional to 20,263.02, 27,961.74 and 11,310.09

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Solution

The fourth proportional to 20,263.02, 27,961.74 and 11,310.09 is: 15,607.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,263.02 : 27,961.74 = 11,310.09 : x
  2. Step 2: Convert to fraction form
    20,263.02/27,961.74 = 11,310.09/x
  3. Step 3: Cross multiply
    20,263.02x = 27,961.74 × 11,310.09
  4. Step 4: Simplify right side
    20,263.02x = 316,249,795.96
  5. Step 5: Solve for x
    x = 316,249,795.96/20,263.02
  6. Step 6: Final answer
    x = 15,607.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.