Home / 18,392.56-25,381.27-10,326.40

Finding the Fourth Proportional to 18,392.56, 25,381.27 and 10,326.40

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Solution

The fourth proportional to 18,392.56, 25,381.27 and 10,326.40 is: 14,250.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,392.56 : 25,381.27 = 10,326.40 : x
  2. Step 2: Convert to fraction form
    18,392.56/25,381.27 = 10,326.40/x
  3. Step 3: Cross multiply
    18,392.56x = 25,381.27 × 10,326.40
  4. Step 4: Simplify right side
    18,392.56x = 262,097,160.72
  5. Step 5: Solve for x
    x = 262,097,160.72/18,392.56
  6. Step 6: Final answer
    x = 14,250.18

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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.