Home / 16,228.31-22,395.69-9,154.58

Finding the Fourth Proportional to 16,228.31, 22,395.69 and 9,154.58

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Solution

The fourth proportional to 16,228.31, 22,395.69 and 9,154.58 is: 12,633.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,228.31 : 22,395.69 = 9,154.58 : x
  2. Step 2: Convert to fraction form
    16,228.31/22,395.69 = 9,154.58/x
  3. Step 3: Cross multiply
    16,228.31x = 22,395.69 × 9,154.58
  4. Step 4: Simplify right side
    16,228.31x = 205,023,135.76
  5. Step 5: Solve for x
    x = 205,023,135.76/16,228.31
  6. Step 6: Final answer
    x = 12,633.67

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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.