Home / 19,670.55-27,082.67-18,329.19

Finding the Fourth Proportional to 19,670.55, 27,082.67 and 18,329.19

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Solution

The fourth proportional to 19,670.55, 27,082.67 and 18,329.19 is: 25,235.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,670.55 : 27,082.67 = 18,329.19 : x
  2. Step 2: Convert to fraction form
    19,670.55/27,082.67 = 18,329.19/x
  3. Step 3: Cross multiply
    19,670.55x = 27,082.67 × 18,329.19
  4. Step 4: Simplify right side
    19,670.55x = 496,403,312.49
  5. Step 5: Solve for x
    x = 496,403,312.49/19,670.55
  6. Step 6: Final answer
    x = 25,235.86

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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.