Home / 53,157.39-79,736.42-13,714.84

Finding the Fourth Proportional to 53,157.39, 79,736.42 and 13,714.84

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Solution

The fourth proportional to 53,157.39, 79,736.42 and 13,714.84 is: 20,572.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,157.39 : 79,736.42 = 13,714.84 : x
  2. Step 2: Convert to fraction form
    53,157.39/79,736.42 = 13,714.84/x
  3. Step 3: Cross multiply
    53,157.39x = 79,736.42 × 13,714.84
  4. Step 4: Simplify right side
    53,157.39x = 1,093,572,173.90
  5. Step 5: Solve for x
    x = 1,093,572,173.90/53,157.39
  6. Step 6: Final answer
    x = 20,572.35

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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.