Home / 16,066.01-22,170.21-8,991.06

Finding the Fourth Proportional to 16,066.01, 22,170.21 and 8,991.06

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Solution

The fourth proportional to 16,066.01, 22,170.21 and 8,991.06 is: 12,407.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,066.01 : 22,170.21 = 8,991.06 : x
  2. Step 2: Convert to fraction form
    16,066.01/22,170.21 = 8,991.06/x
  3. Step 3: Cross multiply
    16,066.01x = 22,170.21 × 8,991.06
  4. Step 4: Simplify right side
    16,066.01x = 199,333,688.32
  5. Step 5: Solve for x
    x = 199,333,688.32/16,066.01
  6. Step 6: Final answer
    x = 12,407.17

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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.