Home / 17,913.48-26,838.58-10,879.13

Finding the Fourth Proportional to 17,913.48, 26,838.58 and 10,879.13

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Solution

The fourth proportional to 17,913.48, 26,838.58 and 10,879.13 is: 16,299.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,913.48 : 26,838.58 = 10,879.13 : x
  2. Step 2: Convert to fraction form
    17,913.48/26,838.58 = 10,879.13/x
  3. Step 3: Cross multiply
    17,913.48x = 26,838.58 × 10,879.13
  4. Step 4: Simplify right side
    17,913.48x = 291,980,346.44
  5. Step 5: Solve for x
    x = 291,980,346.44/17,913.48
  6. Step 6: Final answer
    x = 16,299.48

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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.