Home / 13,157.44-18,158.88-7,852.24

Finding the Fourth Proportional to 13,157.44, 18,158.88 and 7,852.24

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Solution

The fourth proportional to 13,157.44, 18,158.88 and 7,852.24 is: 10,837.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,157.44 : 18,158.88 = 7,852.24 : x
  2. Step 2: Convert to fraction form
    13,157.44/18,158.88 = 7,852.24/x
  3. Step 3: Cross multiply
    13,157.44x = 18,158.88 × 7,852.24
  4. Step 4: Simplify right side
    13,157.44x = 142,587,883.89
  5. Step 5: Solve for x
    x = 142,587,883.89/13,157.44
  6. Step 6: Final answer
    x = 10,837.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.