Home / 26,915.96-40,373.95-12,107.57

Finding the Fourth Proportional to 26,915.96, 40,373.95 and 12,107.57

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Solution

The fourth proportional to 26,915.96, 40,373.95 and 12,107.57 is: 18,161.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,915.96 : 40,373.95 = 12,107.57 : x
  2. Step 2: Convert to fraction form
    26,915.96/40,373.95 = 12,107.57/x
  3. Step 3: Cross multiply
    26,915.96x = 40,373.95 × 12,107.57
  4. Step 4: Simplify right side
    26,915.96x = 488,830,485.12
  5. Step 5: Solve for x
    x = 488,830,485.12/26,915.96
  6. Step 6: Final answer
    x = 18,161.36

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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.