Home / 18,393.50-25,381.28-10,325.31

Finding the Fourth Proportional to 18,393.50, 25,381.28 and 10,325.31

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Solution

The fourth proportional to 18,393.50, 25,381.28 and 10,325.31 is: 14,247.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,393.50 : 25,381.28 = 10,325.31 : x
  2. Step 2: Convert to fraction form
    18,393.50/25,381.28 = 10,325.31/x
  3. Step 3: Cross multiply
    18,393.50x = 25,381.28 × 10,325.31
  4. Step 4: Simplify right side
    18,393.50x = 262,069,532.57
  5. Step 5: Solve for x
    x = 262,069,532.57/18,393.50
  6. Step 6: Final answer
    x = 14,247.94

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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.