Home / 18,257.10-25,194.98-10,707.90

Finding the Fourth Proportional to 18,257.10, 25,194.98 and 10,707.90

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Solution

The fourth proportional to 18,257.10, 25,194.98 and 10,707.90 is: 14,777.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,257.10 : 25,194.98 = 10,707.90 : x
  2. Step 2: Convert to fraction form
    18,257.10/25,194.98 = 10,707.90/x
  3. Step 3: Cross multiply
    18,257.10x = 25,194.98 × 10,707.90
  4. Step 4: Simplify right side
    18,257.10x = 269,785,326.34
  5. Step 5: Solve for x
    x = 269,785,326.34/18,257.10
  6. Step 6: Final answer
    x = 14,777.01

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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.