Home / 14,997.38-20,696.28-8,282.94

Finding the Fourth Proportional to 14,997.38, 20,696.28 and 8,282.94

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Solution

The fourth proportional to 14,997.38, 20,696.28 and 8,282.94 is: 11,430.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,997.38 : 20,696.28 = 8,282.94 : x
  2. Step 2: Convert to fraction form
    14,997.38/20,696.28 = 8,282.94/x
  3. Step 3: Cross multiply
    14,997.38x = 20,696.28 × 8,282.94
  4. Step 4: Simplify right side
    14,997.38x = 171,426,045.46
  5. Step 5: Solve for x
    x = 171,426,045.46/14,997.38
  6. Step 6: Final answer
    x = 11,430.40

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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.