Home / 23,120.77-31,907.46-13,048.63

Finding the Fourth Proportional to 23,120.77, 31,907.46 and 13,048.63

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Solution

The fourth proportional to 23,120.77, 31,907.46 and 13,048.63 is: 18,007.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,120.77 : 31,907.46 = 13,048.63 : x
  2. Step 2: Convert to fraction form
    23,120.77/31,907.46 = 13,048.63/x
  3. Step 3: Cross multiply
    23,120.77x = 31,907.46 × 13,048.63
  4. Step 4: Simplify right side
    23,120.77x = 416,348,639.78
  5. Step 5: Solve for x
    x = 416,348,639.78/23,120.77
  6. Step 6: Final answer
    x = 18,007.56

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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.