Home / 13,854.42-19,102.77-11,193.57

Finding the Fourth Proportional to 13,854.42, 19,102.77 and 11,193.57

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Solution

The fourth proportional to 13,854.42, 19,102.77 and 11,193.57 is: 15,433.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,854.42 : 19,102.77 = 11,193.57 : x
  2. Step 2: Convert to fraction form
    13,854.42/19,102.77 = 11,193.57/x
  3. Step 3: Cross multiply
    13,854.42x = 19,102.77 × 11,193.57
  4. Step 4: Simplify right side
    13,854.42x = 213,828,193.19
  5. Step 5: Solve for x
    x = 213,828,193.19/13,854.42
  6. Step 6: Final answer
    x = 15,433.93

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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.