Home / 53,442.18-80,157.66-13,994.16

Finding the Fourth Proportional to 53,442.18, 80,157.66 and 13,994.16

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Solution

The fourth proportional to 53,442.18, 80,157.66 and 13,994.16 is: 20,989.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,442.18 : 80,157.66 = 13,994.16 : x
  2. Step 2: Convert to fraction form
    53,442.18/80,157.66 = 13,994.16/x
  3. Step 3: Cross multiply
    53,442.18x = 80,157.66 × 13,994.16
  4. Step 4: Simplify right side
    53,442.18x = 1,121,739,119.27
  5. Step 5: Solve for x
    x = 1,121,739,119.27/53,442.18
  6. Step 6: Final answer
    x = 20,989.77

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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.