Home / 18,223.19-25,143.57-10,265.40

Finding the Fourth Proportional to 18,223.19, 25,143.57 and 10,265.40

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Solution

The fourth proportional to 18,223.19, 25,143.57 and 10,265.40 is: 14,163.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,223.19 : 25,143.57 = 10,265.40 : x
  2. Step 2: Convert to fraction form
    18,223.19/25,143.57 = 10,265.40/x
  3. Step 3: Cross multiply
    18,223.19x = 25,143.57 × 10,265.40
  4. Step 4: Simplify right side
    18,223.19x = 258,108,803.48
  5. Step 5: Solve for x
    x = 258,108,803.48/18,223.19
  6. Step 6: Final answer
    x = 14,163.76

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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.