Home / 17,979.22-24,812.18-10,021.50

Finding the Fourth Proportional to 17,979.22, 24,812.18 and 10,021.50

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Solution

The fourth proportional to 17,979.22, 24,812.18 and 10,021.50 is: 13,830.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,979.22 : 24,812.18 = 10,021.50 : x
  2. Step 2: Convert to fraction form
    17,979.22/24,812.18 = 10,021.50/x
  3. Step 3: Cross multiply
    17,979.22x = 24,812.18 × 10,021.50
  4. Step 4: Simplify right side
    17,979.22x = 248,655,261.87
  5. Step 5: Solve for x
    x = 248,655,261.87/17,979.22
  6. Step 6: Final answer
    x = 13,830.15

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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.