Home / 53,440.35-80,158.23-13,996.59

Finding the Fourth Proportional to 53,440.35, 80,158.23 and 13,996.59

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Solution

The fourth proportional to 53,440.35, 80,158.23 and 13,996.59 is: 20,994.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,440.35 : 80,158.23 = 13,996.59 : x
  2. Step 2: Convert to fraction form
    53,440.35/80,158.23 = 13,996.59/x
  3. Step 3: Cross multiply
    53,440.35x = 80,158.23 × 13,996.59
  4. Step 4: Simplify right side
    53,440.35x = 1,121,941,880.44
  5. Step 5: Solve for x
    x = 1,121,941,880.44/53,440.35
  6. Step 6: Final answer
    x = 20,994.28

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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.