Home / 26,316.48-39,470.04-8,784.12

Finding the Fourth Proportional to 26,316.48, 39,470.04 and 8,784.12

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Solution

The fourth proportional to 26,316.48, 39,470.04 and 8,784.12 is: 13,174.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,316.48 : 39,470.04 = 8,784.12 : x
  2. Step 2: Convert to fraction form
    26,316.48/39,470.04 = 8,784.12/x
  3. Step 3: Cross multiply
    26,316.48x = 39,470.04 × 8,784.12
  4. Step 4: Simplify right side
    26,316.48x = 346,709,567.76
  5. Step 5: Solve for x
    x = 346,709,567.76/26,316.48
  6. Step 6: Final answer
    x = 13,174.62

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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.