Home / 16,550.64-22,835.25-15,719.58

Finding the Fourth Proportional to 16,550.64, 22,835.25 and 15,719.58

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Solution

The fourth proportional to 16,550.64, 22,835.25 and 15,719.58 is: 21,688.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,550.64 : 22,835.25 = 15,719.58 : x
  2. Step 2: Convert to fraction form
    16,550.64/22,835.25 = 15,719.58/x
  3. Step 3: Cross multiply
    16,550.64x = 22,835.25 × 15,719.58
  4. Step 4: Simplify right side
    16,550.64x = 358,960,539.20
  5. Step 5: Solve for x
    x = 358,960,539.20/16,550.64
  6. Step 6: Final answer
    x = 21,688.62

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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.