Home / 14,280.38-19,706.97-7,992.74

Finding the Fourth Proportional to 14,280.38, 19,706.97 and 7,992.74

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Solution

The fourth proportional to 14,280.38, 19,706.97 and 7,992.74 is: 11,030.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,280.38 : 19,706.97 = 7,992.74 : x
  2. Step 2: Convert to fraction form
    14,280.38/19,706.97 = 7,992.74/x
  3. Step 3: Cross multiply
    14,280.38x = 19,706.97 × 7,992.74
  4. Step 4: Simplify right side
    14,280.38x = 157,512,687.40
  5. Step 5: Solve for x
    x = 157,512,687.40/14,280.38
  6. Step 6: Final answer
    x = 11,030.01

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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.