Home / 16,156.88-22,386.46-15,806.96

Finding the Fourth Proportional to 16,156.88, 22,386.46 and 15,806.96

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Solution

The fourth proportional to 16,156.88, 22,386.46 and 15,806.96 is: 21,901.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,156.88 : 22,386.46 = 15,806.96 : x
  2. Step 2: Convert to fraction form
    16,156.88/22,386.46 = 15,806.96/x
  3. Step 3: Cross multiply
    16,156.88x = 22,386.46 × 15,806.96
  4. Step 4: Simplify right side
    16,156.88x = 353,861,877.76
  5. Step 5: Solve for x
    x = 353,861,877.76/16,156.88
  6. Step 6: Final answer
    x = 21,901.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.