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Finding the Fourth Proportional to 18,477.12, 25,498.80 and 10,094.16

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Solution

The fourth proportional to 18,477.12, 25,498.80 and 10,094.16 is: 13,930.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,477.12 : 25,498.80 = 10,094.16 : x
  2. Step 2: Convert to fraction form
    18,477.12/25,498.80 = 10,094.16/x
  3. Step 3: Cross multiply
    18,477.12x = 25,498.80 × 10,094.16
  4. Step 4: Simplify right side
    18,477.12x = 257,388,967.01
  5. Step 5: Solve for x
    x = 257,388,967.01/18,477.12
  6. Step 6: Final answer
    x = 13,930.15

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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.