Home / 25,053.12-34,573.28-13,875.12

Finding the Fourth Proportional to 25,053.12, 34,573.28 and 13,875.12

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Solution

The fourth proportional to 25,053.12, 34,573.28 and 13,875.12 is: 19,147.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,053.12 : 34,573.28 = 13,875.12 : x
  2. Step 2: Convert to fraction form
    25,053.12/34,573.28 = 13,875.12/x
  3. Step 3: Cross multiply
    25,053.12x = 34,573.28 × 13,875.12
  4. Step 4: Simplify right side
    25,053.12x = 479,708,408.79
  5. Step 5: Solve for x
    x = 479,708,408.79/25,053.12
  6. Step 6: Final answer
    x = 19,147.65

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.