Home / 16,247.55-22,421.29-9,173.82

Finding the Fourth Proportional to 16,247.55, 22,421.29 and 9,173.82

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Solution

The fourth proportional to 16,247.55, 22,421.29 and 9,173.82 is: 12,659.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,247.55 : 22,421.29 = 9,173.82 : x
  2. Step 2: Convert to fraction form
    16,247.55/22,421.29 = 9,173.82/x
  3. Step 3: Cross multiply
    16,247.55x = 22,421.29 × 9,173.82
  4. Step 4: Simplify right side
    16,247.55x = 205,688,832.76
  5. Step 5: Solve for x
    x = 205,688,832.76/16,247.55
  6. Step 6: Final answer
    x = 12,659.68

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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.