Home / 20,599.84-28,426.08-11,648.26

Finding the Fourth Proportional to 20,599.84, 28,426.08 and 11,648.26

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Solution

The fourth proportional to 20,599.84, 28,426.08 and 11,648.26 is: 16,073.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,599.84 : 28,426.08 = 11,648.26 : x
  2. Step 2: Convert to fraction form
    20,599.84/28,426.08 = 11,648.26/x
  3. Step 3: Cross multiply
    20,599.84x = 28,426.08 × 11,648.26
  4. Step 4: Simplify right side
    20,599.84x = 331,114,370.62
  5. Step 5: Solve for x
    x = 331,114,370.62/20,599.84
  6. Step 6: Final answer
    x = 16,073.64

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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.