Home / 18,625.46-25,703.45-10,127.64

Finding the Fourth Proportional to 18,625.46, 25,703.45 and 10,127.64

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Solution

The fourth proportional to 18,625.46, 25,703.45 and 10,127.64 is: 13,976.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,625.46 : 25,703.45 = 10,127.64 : x
  2. Step 2: Convert to fraction form
    18,625.46/25,703.45 = 10,127.64/x
  3. Step 3: Cross multiply
    18,625.46x = 25,703.45 × 10,127.64
  4. Step 4: Simplify right side
    18,625.46x = 260,315,155.21
  5. Step 5: Solve for x
    x = 260,315,155.21/18,625.46
  6. Step 6: Final answer
    x = 13,976.31

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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.