Home / 20,082.10-27,715.86-14,335.14

Finding the Fourth Proportional to 20,082.10, 27,715.86 and 14,335.14

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Solution

The fourth proportional to 20,082.10, 27,715.86 and 14,335.14 is: 19,784.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,082.10 : 27,715.86 = 14,335.14 : x
  2. Step 2: Convert to fraction form
    20,082.10/27,715.86 = 14,335.14/x
  3. Step 3: Cross multiply
    20,082.10x = 27,715.86 × 14,335.14
  4. Step 4: Simplify right side
    20,082.10x = 397,310,733.32
  5. Step 5: Solve for x
    x = 397,310,733.32/20,082.10
  6. Step 6: Final answer
    x = 19,784.32

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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.