Home / 13,677.96-20,526.17-5,356.94

Finding the Fourth Proportional to 13,677.96, 20,526.17 and 5,356.94

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Solution

The fourth proportional to 13,677.96, 20,526.17 and 5,356.94 is: 8,039.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,677.96 : 20,526.17 = 5,356.94 : x
  2. Step 2: Convert to fraction form
    13,677.96/20,526.17 = 5,356.94/x
  3. Step 3: Cross multiply
    13,677.96x = 20,526.17 × 5,356.94
  4. Step 4: Simplify right side
    13,677.96x = 109,957,461.12
  5. Step 5: Solve for x
    x = 109,957,461.12/13,677.96
  6. Step 6: Final answer
    x = 8,039.02

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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.