Home / 25,163.55-34,730.72-19,184.54

Finding the Fourth Proportional to 25,163.55, 34,730.72 and 19,184.54

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Solution

The fourth proportional to 25,163.55, 34,730.72 and 19,184.54 is: 26,478.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,163.55 : 34,730.72 = 19,184.54 : x
  2. Step 2: Convert to fraction form
    25,163.55/34,730.72 = 19,184.54/x
  3. Step 3: Cross multiply
    25,163.55x = 34,730.72 × 19,184.54
  4. Step 4: Simplify right side
    25,163.55x = 666,292,617.49
  5. Step 5: Solve for x
    x = 666,292,617.49/25,163.55
  6. Step 6: Final answer
    x = 26,478.48

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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.