Home / 53,586.43-80,378.43-14,146.32

Finding the Fourth Proportional to 53,586.43, 80,378.43 and 14,146.32

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Solution

The fourth proportional to 53,586.43, 80,378.43 and 14,146.32 is: 21,219.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,586.43 : 80,378.43 = 14,146.32 : x
  2. Step 2: Convert to fraction form
    53,586.43/80,378.43 = 14,146.32/x
  3. Step 3: Cross multiply
    53,586.43x = 80,378.43 × 14,146.32
  4. Step 4: Simplify right side
    53,586.43x = 1,137,058,991.88
  5. Step 5: Solve for x
    x = 1,137,058,991.88/53,586.43
  6. Step 6: Final answer
    x = 21,219.16

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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.