Home / 16,445.16-22,688.76-9,366.56

Finding the Fourth Proportional to 16,445.16, 22,688.76 and 9,366.56

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Solution

The fourth proportional to 16,445.16, 22,688.76 and 9,366.56 is: 12,922.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,445.16 : 22,688.76 = 9,366.56 : x
  2. Step 2: Convert to fraction form
    16,445.16/22,688.76 = 9,366.56/x
  3. Step 3: Cross multiply
    16,445.16x = 22,688.76 × 9,366.56
  4. Step 4: Simplify right side
    16,445.16x = 212,515,631.87
  5. Step 5: Solve for x
    x = 212,515,631.87/16,445.16
  6. Step 6: Final answer
    x = 12,922.69

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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.