Home / 14,799.15-20,419.47-8,829.66

Finding the Fourth Proportional to 14,799.15, 20,419.47 and 8,829.66

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Solution

The fourth proportional to 14,799.15, 20,419.47 and 8,829.66 is: 12,182.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,799.15 : 20,419.47 = 8,829.66 : x
  2. Step 2: Convert to fraction form
    14,799.15/20,419.47 = 8,829.66/x
  3. Step 3: Cross multiply
    14,799.15x = 20,419.47 × 8,829.66
  4. Step 4: Simplify right side
    14,799.15x = 180,296,977.48
  5. Step 5: Solve for x
    x = 180,296,977.48/14,799.15
  6. Step 6: Final answer
    x = 12,182.93

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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.