Home / 22,774.16-34,137.88-8,730.40

Finding the Fourth Proportional to 22,774.16, 34,137.88 and 8,730.40

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Solution

The fourth proportional to 22,774.16, 34,137.88 and 8,730.40 is: 13,086.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,774.16 : 34,137.88 = 8,730.40 : x
  2. Step 2: Convert to fraction form
    22,774.16/34,137.88 = 8,730.40/x
  3. Step 3: Cross multiply
    22,774.16x = 34,137.88 × 8,730.40
  4. Step 4: Simplify right side
    22,774.16x = 298,037,347.55
  5. Step 5: Solve for x
    x = 298,037,347.55/22,774.16
  6. Step 6: Final answer
    x = 13,086.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.