Home / 22,082.55-30,458.08-15,370.51

Finding the Fourth Proportional to 22,082.55, 30,458.08 and 15,370.51

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Solution

The fourth proportional to 22,082.55, 30,458.08 and 15,370.51 is: 21,200.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,082.55 : 30,458.08 = 15,370.51 : x
  2. Step 2: Convert to fraction form
    22,082.55/30,458.08 = 15,370.51/x
  3. Step 3: Cross multiply
    22,082.55x = 30,458.08 × 15,370.51
  4. Step 4: Simplify right side
    22,082.55x = 468,156,136.94
  5. Step 5: Solve for x
    x = 468,156,136.94/22,082.55
  6. Step 6: Final answer
    x = 21,200.28

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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.