Home / 22,172.23-33,263.66-7,381.28

Finding the Fourth Proportional to 22,172.23, 33,263.66 and 7,381.28

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Solution

The fourth proportional to 22,172.23, 33,263.66 and 7,381.28 is: 11,073.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,172.23 : 33,263.66 = 7,381.28 : x
  2. Step 2: Convert to fraction form
    22,172.23/33,263.66 = 7,381.28/x
  3. Step 3: Cross multiply
    22,172.23x = 33,263.66 × 7,381.28
  4. Step 4: Simplify right side
    22,172.23x = 245,528,302.79
  5. Step 5: Solve for x
    x = 245,528,302.79/22,172.23
  6. Step 6: Final answer
    x = 11,073.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.