Home / 14,800.59-20,419.61-8,426.34

Finding the Fourth Proportional to 14,800.59, 20,419.61 and 8,426.34

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Solution

The fourth proportional to 14,800.59, 20,419.61 and 8,426.34 is: 11,625.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,800.59 : 20,419.61 = 8,426.34 : x
  2. Step 2: Convert to fraction form
    14,800.59/20,419.61 = 8,426.34/x
  3. Step 3: Cross multiply
    14,800.59x = 20,419.61 × 8,426.34
  4. Step 4: Simplify right side
    14,800.59x = 172,062,534.40
  5. Step 5: Solve for x
    x = 172,062,534.40/14,800.59
  6. Step 6: Final answer
    x = 11,625.38

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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.