Home / 25,585.53-38,361.78-10,790.47

Finding the Fourth Proportional to 25,585.53, 38,361.78 and 10,790.47

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Solution

The fourth proportional to 25,585.53, 38,361.78 and 10,790.47 is: 16,178.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,585.53 : 38,361.78 = 10,790.47 : x
  2. Step 2: Convert to fraction form
    25,585.53/38,361.78 = 10,790.47/x
  3. Step 3: Cross multiply
    25,585.53x = 38,361.78 × 10,790.47
  4. Step 4: Simplify right side
    25,585.53x = 413,941,636.24
  5. Step 5: Solve for x
    x = 413,941,636.24/25,585.53
  6. Step 6: Final answer
    x = 16,178.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.