Home / 14,255.36-21,384.18-4,891.61

Finding the Fourth Proportional to 14,255.36, 21,384.18 and 4,891.61

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Solution

The fourth proportional to 14,255.36, 21,384.18 and 4,891.61 is: 7,337.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,255.36 : 21,384.18 = 4,891.61 : x
  2. Step 2: Convert to fraction form
    14,255.36/21,384.18 = 4,891.61/x
  3. Step 3: Cross multiply
    14,255.36x = 21,384.18 × 4,891.61
  4. Step 4: Simplify right side
    14,255.36x = 104,603,068.73
  5. Step 5: Solve for x
    x = 104,603,068.73/14,255.36
  6. Step 6: Final answer
    x = 7,337.81

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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.