Home / 18,739.04-25,859.56-10,240.96

Finding the Fourth Proportional to 18,739.04, 25,859.56 and 10,240.96

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Solution

The fourth proportional to 18,739.04, 25,859.56 and 10,240.96 is: 14,132.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,739.04 : 25,859.56 = 10,240.96 : x
  2. Step 2: Convert to fraction form
    18,739.04/25,859.56 = 10,240.96/x
  3. Step 3: Cross multiply
    18,739.04x = 25,859.56 × 10,240.96
  4. Step 4: Simplify right side
    18,739.04x = 264,826,719.58
  5. Step 5: Solve for x
    x = 264,826,719.58/18,739.04
  6. Step 6: Final answer
    x = 14,132.35

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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.