Home / 26,533.14-39,774.80-8,990.58

Finding the Fourth Proportional to 26,533.14, 39,774.80 and 8,990.58

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Solution

The fourth proportional to 26,533.14, 39,774.80 and 8,990.58 is: 13,477.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,533.14 : 39,774.80 = 8,990.58 : x
  2. Step 2: Convert to fraction form
    26,533.14/39,774.80 = 8,990.58/x
  3. Step 3: Cross multiply
    26,533.14x = 39,774.80 × 8,990.58
  4. Step 4: Simplify right side
    26,533.14x = 357,598,521.38
  5. Step 5: Solve for x
    x = 357,598,521.38/26,533.14
  6. Step 6: Final answer
    x = 13,477.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.