Home / 16,825.36-23,175.24-12,807.76

Finding the Fourth Proportional to 16,825.36, 23,175.24 and 12,807.76

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Solution

The fourth proportional to 16,825.36, 23,175.24 and 12,807.76 is: 17,641.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,825.36 : 23,175.24 = 12,807.76 : x
  2. Step 2: Convert to fraction form
    16,825.36/23,175.24 = 12,807.76/x
  3. Step 3: Cross multiply
    16,825.36x = 23,175.24 × 12,807.76
  4. Step 4: Simplify right side
    16,825.36x = 296,822,911.86
  5. Step 5: Solve for x
    x = 296,822,911.86/16,825.36
  6. Step 6: Final answer
    x = 17,641.40

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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.