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Finding the Fourth Proportional to 14,062.29, 19,398.29 and 9,020.91

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Solution

The fourth proportional to 14,062.29, 19,398.29 and 9,020.91 is: 12,443.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,062.29 : 19,398.29 = 9,020.91 : x
  2. Step 2: Convert to fraction form
    14,062.29/19,398.29 = 9,020.91/x
  3. Step 3: Cross multiply
    14,062.29x = 19,398.29 × 9,020.91
  4. Step 4: Simplify right side
    14,062.29x = 174,990,183.14
  5. Step 5: Solve for x
    x = 174,990,183.14/14,062.29
  6. Step 6: Final answer
    x = 12,443.93

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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.