Home / 19,563.28-29,330.33-11,770.28

Finding the Fourth Proportional to 19,563.28, 29,330.33 and 11,770.28

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Solution

The fourth proportional to 19,563.28, 29,330.33 and 11,770.28 is: 17,646.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,563.28 : 29,330.33 = 11,770.28 : x
  2. Step 2: Convert to fraction form
    19,563.28/29,330.33 = 11,770.28/x
  3. Step 3: Cross multiply
    19,563.28x = 29,330.33 × 11,770.28
  4. Step 4: Simplify right side
    19,563.28x = 345,226,196.59
  5. Step 5: Solve for x
    x = 345,226,196.59/19,563.28
  6. Step 6: Final answer
    x = 17,646.64

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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.