Home / 16,376.58-22,600.62-15,428.88

Finding the Fourth Proportional to 16,376.58, 22,600.62 and 15,428.88

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Solution

The fourth proportional to 16,376.58, 22,600.62 and 15,428.88 is: 21,292.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,376.58 : 22,600.62 = 15,428.88 : x
  2. Step 2: Convert to fraction form
    16,376.58/22,600.62 = 15,428.88/x
  3. Step 3: Cross multiply
    16,376.58x = 22,600.62 × 15,428.88
  4. Step 4: Simplify right side
    16,376.58x = 348,702,253.91
  5. Step 5: Solve for x
    x = 348,702,253.91/16,376.58
  6. Step 6: Final answer
    x = 21,292.74

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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.