Home / 17,816.10-26,717.45-7,280.48

Finding the Fourth Proportional to 17,816.10, 26,717.45 and 7,280.48

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Solution

The fourth proportional to 17,816.10, 26,717.45 and 7,280.48 is: 10,917.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,816.10 : 26,717.45 = 7,280.48 : x
  2. Step 2: Convert to fraction form
    17,816.10/26,717.45 = 7,280.48/x
  3. Step 3: Cross multiply
    17,816.10x = 26,717.45 × 7,280.48
  4. Step 4: Simplify right side
    17,816.10x = 194,515,890.77
  5. Step 5: Solve for x
    x = 194,515,890.77/17,816.10
  6. Step 6: Final answer
    x = 10,917.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.