Home / 16,378.76-22,602.70-9,664.46

Finding the Fourth Proportional to 16,378.76, 22,602.70 and 9,664.46

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Solution

The fourth proportional to 16,378.76, 22,602.70 and 9,664.46 is: 13,336.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,378.76 : 22,602.70 = 9,664.46 : x
  2. Step 2: Convert to fraction form
    16,378.76/22,602.70 = 9,664.46/x
  3. Step 3: Cross multiply
    16,378.76x = 22,602.70 × 9,664.46
  4. Step 4: Simplify right side
    16,378.76x = 218,442,890.04
  5. Step 5: Solve for x
    x = 218,442,890.04/16,378.76
  6. Step 6: Final answer
    x = 13,336.96

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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.