Home / 22,167.81-30,580.18-14,998.03

Finding the Fourth Proportional to 22,167.81, 30,580.18 and 14,998.03

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Solution

The fourth proportional to 22,167.81, 30,580.18 and 14,998.03 is: 20,689.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,167.81 : 30,580.18 = 14,998.03 : x
  2. Step 2: Convert to fraction form
    22,167.81/30,580.18 = 14,998.03/x
  3. Step 3: Cross multiply
    22,167.81x = 30,580.18 × 14,998.03
  4. Step 4: Simplify right side
    22,167.81x = 458,642,343.10
  5. Step 5: Solve for x
    x = 458,642,343.10/22,167.81
  6. Step 6: Final answer
    x = 20,689.56

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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.