Home / 37,612.40-56,440.20-14,255.60

Finding the Fourth Proportional to 37,612.40, 56,440.20 and 14,255.60

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Solution

The fourth proportional to 37,612.40, 56,440.20 and 14,255.60 is: 21,391.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,612.40 : 56,440.20 = 14,255.60 : x
  2. Step 2: Convert to fraction form
    37,612.40/56,440.20 = 14,255.60/x
  3. Step 3: Cross multiply
    37,612.40x = 56,440.20 × 14,255.60
  4. Step 4: Simplify right side
    37,612.40x = 804,588,915.12
  5. Step 5: Solve for x
    x = 804,588,915.12/37,612.40
  6. Step 6: Final answer
    x = 21,391.59

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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.