Home / 25,140.23-34,693.79-13,809.99

Finding the Fourth Proportional to 25,140.23, 34,693.79 and 13,809.99

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Solution

The fourth proportional to 25,140.23, 34,693.79 and 13,809.99 is: 19,057.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,140.23 : 34,693.79 = 13,809.99 : x
  2. Step 2: Convert to fraction form
    25,140.23/34,693.79 = 13,809.99/x
  3. Step 3: Cross multiply
    25,140.23x = 34,693.79 × 13,809.99
  4. Step 4: Simplify right side
    25,140.23x = 479,120,823.91
  5. Step 5: Solve for x
    x = 479,120,823.91/25,140.23
  6. Step 6: Final answer
    x = 19,057.94

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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.