Home / 13,808.61-19,067.12-11,256.77

Finding the Fourth Proportional to 13,808.61, 19,067.12 and 11,256.77

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Solution

The fourth proportional to 13,808.61, 19,067.12 and 11,256.77 is: 15,543.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,808.61 : 19,067.12 = 11,256.77 : x
  2. Step 2: Convert to fraction form
    13,808.61/19,067.12 = 11,256.77/x
  3. Step 3: Cross multiply
    13,808.61x = 19,067.12 × 11,256.77
  4. Step 4: Simplify right side
    13,808.61x = 214,634,184.40
  5. Step 5: Solve for x
    x = 214,634,184.40/13,808.61
  6. Step 6: Final answer
    x = 15,543.50

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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.