Home / 15,991.07-22,066.87-8,822.24

Finding the Fourth Proportional to 15,991.07, 22,066.87 and 8,822.24

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Solution

The fourth proportional to 15,991.07, 22,066.87 and 8,822.24 is: 12,174.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,991.07 : 22,066.87 = 8,822.24 : x
  2. Step 2: Convert to fraction form
    15,991.07/22,066.87 = 8,822.24/x
  3. Step 3: Cross multiply
    15,991.07x = 22,066.87 × 8,822.24
  4. Step 4: Simplify right side
    15,991.07x = 194,679,223.19
  5. Step 5: Solve for x
    x = 194,679,223.19/15,991.07
  6. Step 6: Final answer
    x = 12,174.25

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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.