Home / 25,150.98-34,718.99-16,976.36

Finding the Fourth Proportional to 25,150.98, 34,718.99 and 16,976.36

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Solution

The fourth proportional to 25,150.98, 34,718.99 and 16,976.36 is: 23,434.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,150.98 : 34,718.99 = 16,976.36 : x
  2. Step 2: Convert to fraction form
    25,150.98/34,718.99 = 16,976.36/x
  3. Step 3: Cross multiply
    25,150.98x = 34,718.99 × 16,976.36
  4. Step 4: Simplify right side
    25,150.98x = 589,401,941.92
  5. Step 5: Solve for x
    x = 589,401,941.92/25,150.98
  6. Step 6: Final answer
    x = 23,434.55

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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.