Home / 23,160.69-31,961.78-12,550.32

Finding the Fourth Proportional to 23,160.69, 31,961.78 and 12,550.32

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Solution

The fourth proportional to 23,160.69, 31,961.78 and 12,550.32 is: 17,319.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,160.69 : 31,961.78 = 12,550.32 : x
  2. Step 2: Convert to fraction form
    23,160.69/31,961.78 = 12,550.32/x
  3. Step 3: Cross multiply
    23,160.69x = 31,961.78 × 12,550.32
  4. Step 4: Simplify right side
    23,160.69x = 401,130,566.77
  5. Step 5: Solve for x
    x = 401,130,566.77/23,160.69
  6. Step 6: Final answer
    x = 17,319.46

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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.