Home / 25,775.19-38,653.61-11,723.45

Finding the Fourth Proportional to 25,775.19, 38,653.61 and 11,723.45

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Solution

The fourth proportional to 25,775.19, 38,653.61 and 11,723.45 is: 17,580.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,775.19 : 38,653.61 = 11,723.45 : x
  2. Step 2: Convert to fraction form
    25,775.19/38,653.61 = 11,723.45/x
  3. Step 3: Cross multiply
    25,775.19x = 38,653.61 × 11,723.45
  4. Step 4: Simplify right side
    25,775.19x = 453,153,412.27
  5. Step 5: Solve for x
    x = 453,153,412.27/25,775.19
  6. Step 6: Final answer
    x = 17,580.99

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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.