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Finding the Fourth Proportional to 18,157.55, 25,055.09 and 10,598.41

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Solution

The fourth proportional to 18,157.55, 25,055.09 and 10,598.41 is: 14,624.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,157.55 : 25,055.09 = 10,598.41 : x
  2. Step 2: Convert to fraction form
    18,157.55/25,055.09 = 10,598.41/x
  3. Step 3: Cross multiply
    18,157.55x = 25,055.09 × 10,598.41
  4. Step 4: Simplify right side
    18,157.55x = 265,544,134.48
  5. Step 5: Solve for x
    x = 265,544,134.48/18,157.55
  6. Step 6: Final answer
    x = 14,624.45

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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.