Home / 14,789.12-22,172.74-6,988.82

Finding the Fourth Proportional to 14,789.12, 22,172.74 and 6,988.82

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Solution

The fourth proportional to 14,789.12, 22,172.74 and 6,988.82 is: 10,478.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,789.12 : 22,172.74 = 6,988.82 : x
  2. Step 2: Convert to fraction form
    14,789.12/22,172.74 = 6,988.82/x
  3. Step 3: Cross multiply
    14,789.12x = 22,172.74 × 6,988.82
  4. Step 4: Simplify right side
    14,789.12x = 154,961,288.77
  5. Step 5: Solve for x
    x = 154,961,288.77/14,789.12
  6. Step 6: Final answer
    x = 10,478.06

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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.