Home / 18,721.07-25,835.13-10,223.27

Finding the Fourth Proportional to 18,721.07, 25,835.13 and 10,223.27

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Solution

The fourth proportional to 18,721.07, 25,835.13 and 10,223.27 is: 14,108.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,721.07 : 25,835.13 = 10,223.27 : x
  2. Step 2: Convert to fraction form
    18,721.07/25,835.13 = 10,223.27/x
  3. Step 3: Cross multiply
    18,721.07x = 25,835.13 × 10,223.27
  4. Step 4: Simplify right side
    18,721.07x = 264,119,509.48
  5. Step 5: Solve for x
    x = 264,119,509.48/18,721.07
  6. Step 6: Final answer
    x = 14,108.14

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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.