Home / 13,827.52-19,082.40-7,859.44

Finding the Fourth Proportional to 13,827.52, 19,082.40 and 7,859.44

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Solution

The fourth proportional to 13,827.52, 19,082.40 and 7,859.44 is: 10,846.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,827.52 : 19,082.40 = 7,859.44 : x
  2. Step 2: Convert to fraction form
    13,827.52/19,082.40 = 7,859.44/x
  3. Step 3: Cross multiply
    13,827.52x = 19,082.40 × 7,859.44
  4. Step 4: Simplify right side
    13,827.52x = 149,976,977.86
  5. Step 5: Solve for x
    x = 149,976,977.86/13,827.52
  6. Step 6: Final answer
    x = 10,846.27

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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.