Home / 16,420.02-22,660.77-9,346.44

Finding the Fourth Proportional to 16,420.02, 22,660.77 and 9,346.44

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Solution

The fourth proportional to 16,420.02, 22,660.77 and 9,346.44 is: 12,898.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,420.02 : 22,660.77 = 9,346.44 : x
  2. Step 2: Convert to fraction form
    16,420.02/22,660.77 = 9,346.44/x
  3. Step 3: Cross multiply
    16,420.02x = 22,660.77 × 9,346.44
  4. Step 4: Simplify right side
    16,420.02x = 211,797,527.16
  5. Step 5: Solve for x
    x = 211,797,527.16/16,420.02
  6. Step 6: Final answer
    x = 12,898.74

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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.