Home / 14,920.78-22,381.67-4,532.50

Finding the Fourth Proportional to 14,920.78, 22,381.67 and 4,532.50

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Solution

The fourth proportional to 14,920.78, 22,381.67 and 4,532.50 is: 6,798.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,920.78 : 22,381.67 = 4,532.50 : x
  2. Step 2: Convert to fraction form
    14,920.78/22,381.67 = 4,532.50/x
  3. Step 3: Cross multiply
    14,920.78x = 22,381.67 × 4,532.50
  4. Step 4: Simplify right side
    14,920.78x = 101,444,919.28
  5. Step 5: Solve for x
    x = 101,444,919.28/14,920.78
  6. Step 6: Final answer
    x = 6,798.90

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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.