Home / 20,599.46-28,426.95-11,646.66

Finding the Fourth Proportional to 20,599.46, 28,426.95 and 11,646.66

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Solution

The fourth proportional to 20,599.46, 28,426.95 and 11,646.66 is: 16,072.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,599.46 : 28,426.95 = 11,646.66 : x
  2. Step 2: Convert to fraction form
    20,599.46/28,426.95 = 11,646.66/x
  3. Step 3: Cross multiply
    20,599.46x = 28,426.95 × 11,646.66
  4. Step 4: Simplify right side
    20,599.46x = 331,079,021.49
  5. Step 5: Solve for x
    x = 331,079,021.49/20,599.46
  6. Step 6: Final answer
    x = 16,072.22

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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.