Home / 16,815.04-23,179.85-10,764.39

Finding the Fourth Proportional to 16,815.04, 23,179.85 and 10,764.39

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Solution

The fourth proportional to 16,815.04, 23,179.85 and 10,764.39 is: 14,838.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,815.04 : 23,179.85 = 10,764.39 : x
  2. Step 2: Convert to fraction form
    16,815.04/23,179.85 = 10,764.39/x
  3. Step 3: Cross multiply
    16,815.04x = 23,179.85 × 10,764.39
  4. Step 4: Simplify right side
    16,815.04x = 249,516,945.54
  5. Step 5: Solve for x
    x = 249,516,945.54/16,815.04
  6. Step 6: Final answer
    x = 14,838.91

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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.