Home / 25,861.79-35,702.91-17,408.36

Finding the Fourth Proportional to 25,861.79, 35,702.91 and 17,408.36

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Solution

The fourth proportional to 25,861.79, 35,702.91 and 17,408.36 is: 24,032.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,861.79 : 35,702.91 = 17,408.36 : x
  2. Step 2: Convert to fraction form
    25,861.79/35,702.91 = 17,408.36/x
  3. Step 3: Cross multiply
    25,861.79x = 35,702.91 × 17,408.36
  4. Step 4: Simplify right side
    25,861.79x = 621,529,199.58
  5. Step 5: Solve for x
    x = 621,529,199.58/25,861.79
  6. Step 6: Final answer
    x = 24,032.72

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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.