Home / 25,283.53-34,891.14-13,953.79

Finding the Fourth Proportional to 25,283.53, 34,891.14 and 13,953.79

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Solution

The fourth proportional to 25,283.53, 34,891.14 and 13,953.79 is: 19,256.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,283.53 : 34,891.14 = 13,953.79 : x
  2. Step 2: Convert to fraction form
    25,283.53/34,891.14 = 13,953.79/x
  3. Step 3: Cross multiply
    25,283.53x = 34,891.14 × 13,953.79
  4. Step 4: Simplify right side
    25,283.53x = 486,863,640.42
  5. Step 5: Solve for x
    x = 486,863,640.42/25,283.53
  6. Step 6: Final answer
    x = 19,256.16

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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.