Home / 23,147.87-31,943.91-13,075.82

Finding the Fourth Proportional to 23,147.87, 31,943.91 and 13,075.82

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Solution

The fourth proportional to 23,147.87, 31,943.91 and 13,075.82 is: 18,044.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,147.87 : 31,943.91 = 13,075.82 : x
  2. Step 2: Convert to fraction form
    23,147.87/31,943.91 = 13,075.82/x
  3. Step 3: Cross multiply
    23,147.87x = 31,943.91 × 13,075.82
  4. Step 4: Simplify right side
    23,147.87x = 417,692,657.54
  5. Step 5: Solve for x
    x = 417,692,657.54/23,147.87
  6. Step 6: Final answer
    x = 18,044.54

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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.