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Finding the Fourth Proportional to 18,210.35, 25,130.00 and 10,252.60

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Solution

The fourth proportional to 18,210.35, 25,130.00 and 10,252.60 is: 14,148.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,210.35 : 25,130.00 = 10,252.60 : x
  2. Step 2: Convert to fraction form
    18,210.35/25,130.00 = 10,252.60/x
  3. Step 3: Cross multiply
    18,210.35x = 25,130.00 × 10,252.60
  4. Step 4: Simplify right side
    18,210.35x = 257,647,800.81
  5. Step 5: Solve for x
    x = 257,647,800.81/18,210.35
  6. Step 6: Final answer
    x = 14,148.42

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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.