Home / 16,902.45-23,328.14-11,237.31

Finding the Fourth Proportional to 16,902.45, 23,328.14 and 11,237.31

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Solution

The fourth proportional to 16,902.45, 23,328.14 and 11,237.31 is: 15,509.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,902.45 : 23,328.14 = 11,237.31 : x
  2. Step 2: Convert to fraction form
    16,902.45/23,328.14 = 11,237.31/x
  3. Step 3: Cross multiply
    16,902.45x = 23,328.14 × 11,237.31
  4. Step 4: Simplify right side
    16,902.45x = 262,145,484.72
  5. Step 5: Solve for x
    x = 262,145,484.72/16,902.45
  6. Step 6: Final answer
    x = 15,509.32

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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.