Home / 25,654.66-35,418.12-19,557.02

Finding the Fourth Proportional to 25,654.66, 35,418.12 and 19,557.02

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Solution

The fourth proportional to 25,654.66, 35,418.12 and 19,557.02 is: 26,999.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,654.66 : 35,418.12 = 19,557.02 : x
  2. Step 2: Convert to fraction form
    25,654.66/35,418.12 = 19,557.02/x
  3. Step 3: Cross multiply
    25,654.66x = 35,418.12 × 19,557.02
  4. Step 4: Simplify right side
    25,654.66x = 692,672,881.20
  5. Step 5: Solve for x
    x = 692,672,881.20/25,654.66
  6. Step 6: Final answer
    x = 26,999.89

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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.