Home / 25,871.34-35,702.58-15,116.83

Finding the Fourth Proportional to 25,871.34, 35,702.58 and 15,116.83

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Solution

The fourth proportional to 25,871.34, 35,702.58 and 15,116.83 is: 20,861.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,871.34 : 35,702.58 = 15,116.83 : x
  2. Step 2: Convert to fraction form
    25,871.34/35,702.58 = 15,116.83/x
  3. Step 3: Cross multiply
    25,871.34x = 35,702.58 × 15,116.83
  4. Step 4: Simplify right side
    25,871.34x = 539,709,832.42
  5. Step 5: Solve for x
    x = 539,709,832.42/25,871.34
  6. Step 6: Final answer
    x = 20,861.30

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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.