Home / 16,213.60-22,374.84-9,503.20

Finding the Fourth Proportional to 16,213.60, 22,374.84 and 9,503.20

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Solution

The fourth proportional to 16,213.60, 22,374.84 and 9,503.20 is: 13,114.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,213.60 : 22,374.84 = 9,503.20 : x
  2. Step 2: Convert to fraction form
    16,213.60/22,374.84 = 9,503.20/x
  3. Step 3: Cross multiply
    16,213.60x = 22,374.84 × 9,503.20
  4. Step 4: Simplify right side
    16,213.60x = 212,632,579.49
  5. Step 5: Solve for x
    x = 212,632,579.49/16,213.60
  6. Step 6: Final answer
    x = 13,114.46

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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.