Home / 25,365.40-35,012.38-17,813.56

Finding the Fourth Proportional to 25,365.40, 35,012.38 and 17,813.56

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Solution

The fourth proportional to 25,365.40, 35,012.38 and 17,813.56 is: 24,588.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,365.40 : 35,012.38 = 17,813.56 : x
  2. Step 2: Convert to fraction form
    25,365.40/35,012.38 = 17,813.56/x
  3. Step 3: Cross multiply
    25,365.40x = 35,012.38 × 17,813.56
  4. Step 4: Simplify right side
    25,365.40x = 623,695,131.87
  5. Step 5: Solve for x
    x = 623,695,131.87/25,365.40
  6. Step 6: Final answer
    x = 24,588.42

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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.