Home / 18,365.07-25,342.35-10,408.53

Finding the Fourth Proportional to 18,365.07, 25,342.35 and 10,408.53

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Solution

The fourth proportional to 18,365.07, 25,342.35 and 10,408.53 is: 14,362.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,365.07 : 25,342.35 = 10,408.53 : x
  2. Step 2: Convert to fraction form
    18,365.07/25,342.35 = 10,408.53/x
  3. Step 3: Cross multiply
    18,365.07x = 25,342.35 × 10,408.53
  4. Step 4: Simplify right side
    18,365.07x = 263,776,610.25
  5. Step 5: Solve for x
    x = 263,776,610.25/18,365.07
  6. Step 6: Final answer
    x = 14,362.95

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1.5x scale

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.