Home / 16,966.50-23,405.64-10,155.87

Finding the Fourth Proportional to 16,966.50, 23,405.64 and 10,155.87

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Solution

The fourth proportional to 16,966.50, 23,405.64 and 10,155.87 is: 14,010.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,966.50 : 23,405.64 = 10,155.87 : x
  2. Step 2: Convert to fraction form
    16,966.50/23,405.64 = 10,155.87/x
  3. Step 3: Cross multiply
    16,966.50x = 23,405.64 × 10,155.87
  4. Step 4: Simplify right side
    16,966.50x = 237,704,662.50
  5. Step 5: Solve for x
    x = 237,704,662.50/16,966.50
  6. Step 6: Final answer
    x = 14,010.24

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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.