Home / 16,440.56-22,688.88-9,366.84

Finding the Fourth Proportional to 16,440.56, 22,688.88 and 9,366.84

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Solution

The fourth proportional to 16,440.56, 22,688.88 and 9,366.84 is: 12,926.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,440.56 : 22,688.88 = 9,366.84 : x
  2. Step 2: Convert to fraction form
    16,440.56/22,688.88 = 9,366.84/x
  3. Step 3: Cross multiply
    16,440.56x = 22,688.88 × 9,366.84
  4. Step 4: Simplify right side
    16,440.56x = 212,523,108.74
  5. Step 5: Solve for x
    x = 212,523,108.74/16,440.56
  6. Step 6: Final answer
    x = 12,926.76

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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.