Home / 17,979.54-24,812.54-10,021.76

Finding the Fourth Proportional to 17,979.54, 24,812.54 and 10,021.76

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Solution

The fourth proportional to 17,979.54, 24,812.54 and 10,021.76 is: 13,830.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,979.54 : 24,812.54 = 10,021.76 : x
  2. Step 2: Convert to fraction form
    17,979.54/24,812.54 = 10,021.76/x
  3. Step 3: Cross multiply
    17,979.54x = 24,812.54 × 10,021.76
  4. Step 4: Simplify right side
    17,979.54x = 248,665,320.87
  5. Step 5: Solve for x
    x = 248,665,320.87/17,979.54
  6. Step 6: Final answer
    x = 13,830.46

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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.