Home / 25,515.99-35,211.36-14,185.21

Finding the Fourth Proportional to 25,515.99, 35,211.36 and 14,185.21

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Solution

The fourth proportional to 25,515.99, 35,211.36 and 14,185.21 is: 19,575.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,515.99 : 35,211.36 = 14,185.21 : x
  2. Step 2: Convert to fraction form
    25,515.99/35,211.36 = 14,185.21/x
  3. Step 3: Cross multiply
    25,515.99x = 35,211.36 × 14,185.21
  4. Step 4: Simplify right side
    25,515.99x = 499,480,535.99
  5. Step 5: Solve for x
    x = 499,480,535.99/25,515.99
  6. Step 6: Final answer
    x = 19,575.20

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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.