Home / 16,902.48-23,318.28-11,315.28

Finding the Fourth Proportional to 16,902.48, 23,318.28 and 11,315.28

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Solution

The fourth proportional to 16,902.48, 23,318.28 and 11,315.28 is: 15,610.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,902.48 : 23,318.28 = 11,315.28 : x
  2. Step 2: Convert to fraction form
    16,902.48/23,318.28 = 11,315.28/x
  3. Step 3: Cross multiply
    16,902.48x = 23,318.28 × 11,315.28
  4. Step 4: Simplify right side
    16,902.48x = 263,852,867.32
  5. Step 5: Solve for x
    x = 263,852,867.32/16,902.48
  6. Step 6: Final answer
    x = 15,610.30

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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.