Home / 22,009.17-30,384.43-17,218.94

Finding the Fourth Proportional to 22,009.17, 30,384.43 and 17,218.94

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Solution

The fourth proportional to 22,009.17, 30,384.43 and 17,218.94 is: 23,771.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,009.17 : 30,384.43 = 17,218.94 : x
  2. Step 2: Convert to fraction form
    22,009.17/30,384.43 = 17,218.94/x
  3. Step 3: Cross multiply
    22,009.17x = 30,384.43 × 17,218.94
  4. Step 4: Simplify right side
    22,009.17x = 523,187,482.13
  5. Step 5: Solve for x
    x = 523,187,482.13/22,009.17
  6. Step 6: Final answer
    x = 23,771.34

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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.