Home / 14,937.77-22,369.69-8,678.80

Finding the Fourth Proportional to 14,937.77, 22,369.69 and 8,678.80

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Solution

The fourth proportional to 14,937.77, 22,369.69 and 8,678.80 is: 12,996.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,937.77 : 22,369.69 = 8,678.80 : x
  2. Step 2: Convert to fraction form
    14,937.77/22,369.69 = 8,678.80/x
  3. Step 3: Cross multiply
    14,937.77x = 22,369.69 × 8,678.80
  4. Step 4: Simplify right side
    14,937.77x = 194,141,929.73
  5. Step 5: Solve for x
    x = 194,141,929.73/14,937.77
  6. Step 6: Final answer
    x = 12,996.72

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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.