Home / 25,515.42-35,199.81-14,898.75

Finding the Fourth Proportional to 25,515.42, 35,199.81 and 14,898.75

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Solution

The fourth proportional to 25,515.42, 35,199.81 and 14,898.75 is: 20,553.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,515.42 : 35,199.81 = 14,898.75 : x
  2. Step 2: Convert to fraction form
    25,515.42/35,199.81 = 14,898.75/x
  3. Step 3: Cross multiply
    25,515.42x = 35,199.81 × 14,898.75
  4. Step 4: Simplify right side
    25,515.42x = 524,433,169.24
  5. Step 5: Solve for x
    x = 524,433,169.24/25,515.42
  6. Step 6: Final answer
    x = 20,553.58

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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.