Home / 16,069.60-22,171.68-9,777.52

Finding the Fourth Proportional to 16,069.60, 22,171.68 and 9,777.52

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Solution

The fourth proportional to 16,069.60, 22,171.68 and 9,777.52 is: 13,490.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,069.60 : 22,171.68 = 9,777.52 : x
  2. Step 2: Convert to fraction form
    16,069.60/22,171.68 = 9,777.52/x
  3. Step 3: Cross multiply
    16,069.60x = 22,171.68 × 9,777.52
  4. Step 4: Simplify right side
    16,069.60x = 216,784,044.63
  5. Step 5: Solve for x
    x = 216,784,044.63/16,069.60
  6. Step 6: Final answer
    x = 13,490.32

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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.