Home / 25,382.88-38,077.95-7,854.07

Finding the Fourth Proportional to 25,382.88, 38,077.95 and 7,854.07

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Solution

The fourth proportional to 25,382.88, 38,077.95 and 7,854.07 is: 11,782.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,382.88 : 38,077.95 = 7,854.07 : x
  2. Step 2: Convert to fraction form
    25,382.88/38,077.95 = 7,854.07/x
  3. Step 3: Cross multiply
    25,382.88x = 38,077.95 × 7,854.07
  4. Step 4: Simplify right side
    25,382.88x = 299,066,884.76
  5. Step 5: Solve for x
    x = 299,066,884.76/25,382.88
  6. Step 6: Final answer
    x = 11,782.23

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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.