Home / 16,819.24-23,205.67-10,854.40

Finding the Fourth Proportional to 16,819.24, 23,205.67 and 10,854.40

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Solution

The fourth proportional to 16,819.24, 23,205.67 and 10,854.40 is: 14,975.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,819.24 : 23,205.67 = 10,854.40 : x
  2. Step 2: Convert to fraction form
    16,819.24/23,205.67 = 10,854.40/x
  3. Step 3: Cross multiply
    16,819.24x = 23,205.67 × 10,854.40
  4. Step 4: Simplify right side
    16,819.24x = 251,883,624.45
  5. Step 5: Solve for x
    x = 251,883,624.45/16,819.24
  6. Step 6: Final answer
    x = 14,975.92

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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.