Home / 14,279.92-19,706.16-7,993.48

Finding the Fourth Proportional to 14,279.92, 19,706.16 and 7,993.48

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Solution

The fourth proportional to 14,279.92, 19,706.16 and 7,993.48 is: 11,030.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,279.92 : 19,706.16 = 7,993.48 : x
  2. Step 2: Convert to fraction form
    14,279.92/19,706.16 = 7,993.48/x
  3. Step 3: Cross multiply
    14,279.92x = 19,706.16 × 7,993.48
  4. Step 4: Simplify right side
    14,279.92x = 157,520,795.84
  5. Step 5: Solve for x
    x = 157,520,795.84/14,279.92
  6. Step 6: Final answer
    x = 11,030.93

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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.