Home / 13,155.86-19,715.16-11,592.56

Finding the Fourth Proportional to 13,155.86, 19,715.16 and 11,592.56

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Solution

The fourth proportional to 13,155.86, 19,715.16 and 11,592.56 is: 17,372.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,155.86 : 19,715.16 = 11,592.56 : x
  2. Step 2: Convert to fraction form
    13,155.86/19,715.16 = 11,592.56/x
  3. Step 3: Cross multiply
    13,155.86x = 19,715.16 × 11,592.56
  4. Step 4: Simplify right side
    13,155.86x = 228,549,175.21
  5. Step 5: Solve for x
    x = 228,549,175.21/13,155.86
  6. Step 6: Final answer
    x = 17,372.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.