Home / 25,283.63-34,891.38-13,953.12

Finding the Fourth Proportional to 25,283.63, 34,891.38 and 13,953.12

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Solution

The fourth proportional to 25,283.63, 34,891.38 and 13,953.12 is: 19,255.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,283.63 : 34,891.38 = 13,953.12 : x
  2. Step 2: Convert to fraction form
    25,283.63/34,891.38 = 13,953.12/x
  3. Step 3: Cross multiply
    25,283.63x = 34,891.38 × 13,953.12
  4. Step 4: Simplify right side
    25,283.63x = 486,843,542.34
  5. Step 5: Solve for x
    x = 486,843,542.34/25,283.63
  6. Step 6: Final answer
    x = 19,255.29

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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.