Home / 19,606.80-29,393.66-8,505.12

Finding the Fourth Proportional to 19,606.80, 29,393.66 and 8,505.12

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Solution

The fourth proportional to 19,606.80, 29,393.66 and 8,505.12 is: 12,750.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,606.80 : 29,393.66 = 8,505.12 : x
  2. Step 2: Convert to fraction form
    19,606.80/29,393.66 = 8,505.12/x
  3. Step 3: Cross multiply
    19,606.80x = 29,393.66 × 8,505.12
  4. Step 4: Simplify right side
    19,606.80x = 249,996,605.54
  5. Step 5: Solve for x
    x = 249,996,605.54/19,606.80
  6. Step 6: Final answer
    x = 12,750.51

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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.