Home / 19,605.12-29,412.58-5,754.12

Finding the Fourth Proportional to 19,605.12, 29,412.58 and 5,754.12

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Solution

The fourth proportional to 19,605.12, 29,412.58 and 5,754.12 is: 8,632.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,605.12 : 29,412.58 = 5,754.12 : x
  2. Step 2: Convert to fraction form
    19,605.12/29,412.58 = 5,754.12/x
  3. Step 3: Cross multiply
    19,605.12x = 29,412.58 × 5,754.12
  4. Step 4: Simplify right side
    19,605.12x = 169,243,514.83
  5. Step 5: Solve for x
    x = 169,243,514.83/19,605.12
  6. Step 6: Final answer
    x = 8,632.62

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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.