Home / 45,157.56-67,741.14-13,995.24

Finding the Fourth Proportional to 45,157.56, 67,741.14 and 13,995.24

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Solution

The fourth proportional to 45,157.56, 67,741.14 and 13,995.24 is: 20,994.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,157.56 : 67,741.14 = 13,995.24 : x
  2. Step 2: Convert to fraction form
    45,157.56/67,741.14 = 13,995.24/x
  3. Step 3: Cross multiply
    45,157.56x = 67,741.14 × 13,995.24
  4. Step 4: Simplify right side
    45,157.56x = 948,053,512.17
  5. Step 5: Solve for x
    x = 948,053,512.17/45,157.56
  6. Step 6: Final answer
    x = 20,994.35

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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.