Home / 19,835.65-29,753.81-9,299.89

Finding the Fourth Proportional to 19,835.65, 29,753.81 and 9,299.89

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Solution

The fourth proportional to 19,835.65, 29,753.81 and 9,299.89 is: 13,949.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,835.65 : 29,753.81 = 9,299.89 : x
  2. Step 2: Convert to fraction form
    19,835.65/29,753.81 = 9,299.89/x
  3. Step 3: Cross multiply
    19,835.65x = 29,753.81 × 9,299.89
  4. Step 4: Simplify right side
    19,835.65x = 276,707,160.08
  5. Step 5: Solve for x
    x = 276,707,160.08/19,835.65
  6. Step 6: Final answer
    x = 13,949.99

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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.