Home / 16,876.48-23,282.40-11,289.28

Finding the Fourth Proportional to 16,876.48, 23,282.40 and 11,289.28

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Solution

The fourth proportional to 16,876.48, 23,282.40 and 11,289.28 is: 15,574.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,876.48 : 23,282.40 = 11,289.28 : x
  2. Step 2: Convert to fraction form
    16,876.48/23,282.40 = 11,289.28/x
  3. Step 3: Cross multiply
    16,876.48x = 23,282.40 × 11,289.28
  4. Step 4: Simplify right side
    16,876.48x = 262,841,532.67
  5. Step 5: Solve for x
    x = 262,841,532.67/16,876.48
  6. Step 6: Final answer
    x = 15,574.43

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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.