Home / 21,082.48-29,094.75-12,132.94

Finding the Fourth Proportional to 21,082.48, 29,094.75 and 12,132.94

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Solution

The fourth proportional to 21,082.48, 29,094.75 and 12,132.94 is: 16,743.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,082.48 : 29,094.75 = 12,132.94 : x
  2. Step 2: Convert to fraction form
    21,082.48/29,094.75 = 12,132.94/x
  3. Step 3: Cross multiply
    21,082.48x = 29,094.75 × 12,132.94
  4. Step 4: Simplify right side
    21,082.48x = 353,004,856.07
  5. Step 5: Solve for x
    x = 353,004,856.07/21,082.48
  6. Step 6: Final answer
    x = 16,743.99

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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.