Home / 19,836.73-29,740.51-9,455.77

Finding the Fourth Proportional to 19,836.73, 29,740.51 and 9,455.77

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Solution

The fourth proportional to 19,836.73, 29,740.51 and 9,455.77 is: 14,176.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,836.73 : 29,740.51 = 9,455.77 : x
  2. Step 2: Convert to fraction form
    19,836.73/29,740.51 = 9,455.77/x
  3. Step 3: Cross multiply
    19,836.73x = 29,740.51 × 9,455.77
  4. Step 4: Simplify right side
    19,836.73x = 281,219,324.25
  5. Step 5: Solve for x
    x = 281,219,324.25/19,836.73
  6. Step 6: Final answer
    x = 14,176.70

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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.