Home / 16,455.76-22,709.28-9,738.94

Finding the Fourth Proportional to 16,455.76, 22,709.28 and 9,738.94

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Solution

The fourth proportional to 16,455.76, 22,709.28 and 9,738.94 is: 13,439.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,455.76 : 22,709.28 = 9,738.94 : x
  2. Step 2: Convert to fraction form
    16,455.76/22,709.28 = 9,738.94/x
  3. Step 3: Cross multiply
    16,455.76x = 22,709.28 × 9,738.94
  4. Step 4: Simplify right side
    16,455.76x = 221,164,315.36
  5. Step 5: Solve for x
    x = 221,164,315.36/16,455.76
  6. Step 6: Final answer
    x = 13,439.93

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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.