Home / 15,790.84-23,667.40-7,345.92

Finding the Fourth Proportional to 15,790.84, 23,667.40 and 7,345.92

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Solution

The fourth proportional to 15,790.84, 23,667.40 and 7,345.92 is: 11,010.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,790.84 : 23,667.40 = 7,345.92 : x
  2. Step 2: Convert to fraction form
    15,790.84/23,667.40 = 7,345.92/x
  3. Step 3: Cross multiply
    15,790.84x = 23,667.40 × 7,345.92
  4. Step 4: Simplify right side
    15,790.84x = 173,858,827.01
  5. Step 5: Solve for x
    x = 173,858,827.01/15,790.84
  6. Step 6: Final answer
    x = 11,010.11

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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.