Home / 26,551.61-39,834.25-7,830.89

Finding the Fourth Proportional to 26,551.61, 39,834.25 and 7,830.89

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Solution

The fourth proportional to 26,551.61, 39,834.25 and 7,830.89 is: 11,748.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,551.61 : 39,834.25 = 7,830.89 : x
  2. Step 2: Convert to fraction form
    26,551.61/39,834.25 = 7,830.89/x
  3. Step 3: Cross multiply
    26,551.61x = 39,834.25 × 7,830.89
  4. Step 4: Simplify right side
    26,551.61x = 311,937,709.99
  5. Step 5: Solve for x
    x = 311,937,709.99/26,551.61
  6. Step 6: Final answer
    x = 11,748.35

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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.