Home / 14,835.84-20,470.32-8,545.92

Finding the Fourth Proportional to 14,835.84, 20,470.32 and 8,545.92

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Solution

The fourth proportional to 14,835.84, 20,470.32 and 8,545.92 is: 11,791.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,835.84 : 20,470.32 = 8,545.92 : x
  2. Step 2: Convert to fraction form
    14,835.84/20,470.32 = 8,545.92/x
  3. Step 3: Cross multiply
    14,835.84x = 20,470.32 × 8,545.92
  4. Step 4: Simplify right side
    14,835.84x = 174,937,717.09
  5. Step 5: Solve for x
    x = 174,937,717.09/14,835.84
  6. Step 6: Final answer
    x = 11,791.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.