Home / 18,370.15-25,326.66-13,261.36

Finding the Fourth Proportional to 18,370.15, 25,326.66 and 13,261.36

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Solution

The fourth proportional to 18,370.15, 25,326.66 and 13,261.36 is: 18,283.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,370.15 : 25,326.66 = 13,261.36 : x
  2. Step 2: Convert to fraction form
    18,370.15/25,326.66 = 13,261.36/x
  3. Step 3: Cross multiply
    18,370.15x = 25,326.66 × 13,261.36
  4. Step 4: Simplify right side
    18,370.15x = 335,865,955.86
  5. Step 5: Solve for x
    x = 335,865,955.86/18,370.15
  6. Step 6: Final answer
    x = 18,283.25

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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.