Home / 20,000.18-27,598.65-11,617.22

Finding the Fourth Proportional to 20,000.18, 27,598.65 and 11,617.22

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Solution

The fourth proportional to 20,000.18, 27,598.65 and 11,617.22 is: 16,030.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,000.18 : 27,598.65 = 11,617.22 : x
  2. Step 2: Convert to fraction form
    20,000.18/27,598.65 = 11,617.22/x
  3. Step 3: Cross multiply
    20,000.18x = 27,598.65 × 11,617.22
  4. Step 4: Simplify right side
    20,000.18x = 320,619,588.75
  5. Step 5: Solve for x
    x = 320,619,588.75/20,000.18
  6. Step 6: Final answer
    x = 16,030.84

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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.