Home / 25,520.99-35,213.81-14,908.57

Finding the Fourth Proportional to 25,520.99, 35,213.81 and 14,908.57

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Solution

The fourth proportional to 25,520.99, 35,213.81 and 14,908.57 is: 20,570.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,520.99 : 35,213.81 = 14,908.57 : x
  2. Step 2: Convert to fraction form
    25,520.99/35,213.81 = 14,908.57/x
  3. Step 3: Cross multiply
    25,520.99x = 35,213.81 × 14,908.57
  4. Step 4: Simplify right side
    25,520.99x = 524,987,551.35
  5. Step 5: Solve for x
    x = 524,987,551.35/25,520.99
  6. Step 6: Final answer
    x = 20,570.81

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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.