Home / 14,103.21-21,155.04-5,335.77

Finding the Fourth Proportional to 14,103.21, 21,155.04 and 5,335.77

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Solution

The fourth proportional to 14,103.21, 21,155.04 and 5,335.77 is: 8,003.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,103.21 : 21,155.04 = 5,335.77 : x
  2. Step 2: Convert to fraction form
    14,103.21/21,155.04 = 5,335.77/x
  3. Step 3: Cross multiply
    14,103.21x = 21,155.04 × 5,335.77
  4. Step 4: Simplify right side
    14,103.21x = 112,878,427.78
  5. Step 5: Solve for x
    x = 112,878,427.78/14,103.21
  6. Step 6: Final answer
    x = 8,003.74

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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.