Home / 18,300.12-25,254.35-10,342.27

Finding the Fourth Proportional to 18,300.12, 25,254.35 and 10,342.27

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Solution

The fourth proportional to 18,300.12, 25,254.35 and 10,342.27 is: 14,272.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,300.12 : 25,254.35 = 10,342.27 : x
  2. Step 2: Convert to fraction form
    18,300.12/25,254.35 = 10,342.27/x
  3. Step 3: Cross multiply
    18,300.12x = 25,254.35 × 10,342.27
  4. Step 4: Simplify right side
    18,300.12x = 261,187,306.37
  5. Step 5: Solve for x
    x = 261,187,306.37/18,300.12
  6. Step 6: Final answer
    x = 14,272.44

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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.