Home / 18,411.88-25,407.26-10,858.52

Finding the Fourth Proportional to 18,411.88, 25,407.26 and 10,858.52

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Solution

The fourth proportional to 18,411.88, 25,407.26 and 10,858.52 is: 14,984.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,411.88 : 25,407.26 = 10,858.52 : x
  2. Step 2: Convert to fraction form
    18,411.88/25,407.26 = 10,858.52/x
  3. Step 3: Cross multiply
    18,411.88x = 25,407.26 × 10,858.52
  4. Step 4: Simplify right side
    18,411.88x = 275,885,186.56
  5. Step 5: Solve for x
    x = 275,885,186.56/18,411.88
  6. Step 6: Final answer
    x = 14,984.09

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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.