Home / 25,637.48-35,327.21-18,912.45

Finding the Fourth Proportional to 25,637.48, 35,327.21 and 18,912.45

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Solution

The fourth proportional to 25,637.48, 35,327.21 and 18,912.45 is: 26,060.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,637.48 : 35,327.21 = 18,912.45 : x
  2. Step 2: Convert to fraction form
    25,637.48/35,327.21 = 18,912.45/x
  3. Step 3: Cross multiply
    25,637.48x = 35,327.21 × 18,912.45
  4. Step 4: Simplify right side
    25,637.48x = 668,123,998.20
  5. Step 5: Solve for x
    x = 668,123,998.20/25,637.48
  6. Step 6: Final answer
    x = 26,060.44

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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.