Home / 14,117.24-19,481.94-7,830.02

Finding the Fourth Proportional to 14,117.24, 19,481.94 and 7,830.02

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Solution

The fourth proportional to 14,117.24, 19,481.94 and 7,830.02 is: 10,805.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,117.24 : 19,481.94 = 7,830.02 : x
  2. Step 2: Convert to fraction form
    14,117.24/19,481.94 = 7,830.02/x
  3. Step 3: Cross multiply
    14,117.24x = 19,481.94 × 7,830.02
  4. Step 4: Simplify right side
    14,117.24x = 152,543,979.84
  5. Step 5: Solve for x
    x = 152,543,979.84/14,117.24
  6. Step 6: Final answer
    x = 10,805.51

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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.