Home / 19,285.84-26,611.08-11,836.24

Finding the Fourth Proportional to 19,285.84, 26,611.08 and 11,836.24

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Solution

The fourth proportional to 19,285.84, 26,611.08 and 11,836.24 is: 16,331.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,285.84 : 26,611.08 = 11,836.24 : x
  2. Step 2: Convert to fraction form
    19,285.84/26,611.08 = 11,836.24/x
  3. Step 3: Cross multiply
    19,285.84x = 26,611.08 × 11,836.24
  4. Step 4: Simplify right side
    19,285.84x = 314,975,129.54
  5. Step 5: Solve for x
    x = 314,975,129.54/19,285.84
  6. Step 6: Final answer
    x = 16,331.94

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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.