Home / 25,369.40-35,017.90-17,817.56

Finding the Fourth Proportional to 25,369.40, 35,017.90 and 17,817.56

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Solution

The fourth proportional to 25,369.40, 35,017.90 and 17,817.56 is: 24,593.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,369.40 : 35,017.90 = 17,817.56 : x
  2. Step 2: Convert to fraction form
    25,369.40/35,017.90 = 17,817.56/x
  3. Step 3: Cross multiply
    25,369.40x = 35,017.90 × 17,817.56
  4. Step 4: Simplify right side
    25,369.40x = 623,933,534.32
  5. Step 5: Solve for x
    x = 623,933,534.32/25,369.40
  6. Step 6: Final answer
    x = 24,593.94

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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.