Home / 27,388.40-37,795.77-14,813.15

Finding the Fourth Proportional to 27,388.40, 37,795.77 and 14,813.15

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Solution

The fourth proportional to 27,388.40, 37,795.77 and 14,813.15 is: 20,442.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,388.40 : 37,795.77 = 14,813.15 : x
  2. Step 2: Convert to fraction form
    27,388.40/37,795.77 = 14,813.15/x
  3. Step 3: Cross multiply
    27,388.40x = 37,795.77 × 14,813.15
  4. Step 4: Simplify right side
    27,388.40x = 559,874,410.38
  5. Step 5: Solve for x
    x = 559,874,410.38/27,388.40
  6. Step 6: Final answer
    x = 20,442.03

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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.