Home / 25,983.09-38,959.07-11,925.54

Finding the Fourth Proportional to 25,983.09, 38,959.07 and 11,925.54

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Solution

The fourth proportional to 25,983.09, 38,959.07 and 11,925.54 is: 17,881.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,983.09 : 38,959.07 = 11,925.54 : x
  2. Step 2: Convert to fraction form
    25,983.09/38,959.07 = 11,925.54/x
  3. Step 3: Cross multiply
    25,983.09x = 38,959.07 × 11,925.54
  4. Step 4: Simplify right side
    25,983.09x = 464,607,888.02
  5. Step 5: Solve for x
    x = 464,607,888.02/25,983.09
  6. Step 6: Final answer
    x = 17,881.16

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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.