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Finding the Fourth Proportional to 18,136.08, 25,026.48 and 10,070.13

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Solution

The fourth proportional to 18,136.08, 25,026.48 and 10,070.13 is: 13,896.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,136.08 : 25,026.48 = 10,070.13 : x
  2. Step 2: Convert to fraction form
    18,136.08/25,026.48 = 10,070.13/x
  3. Step 3: Cross multiply
    18,136.08x = 25,026.48 × 10,070.13
  4. Step 4: Simplify right side
    18,136.08x = 252,019,907.04
  5. Step 5: Solve for x
    x = 252,019,907.04/18,136.08
  6. Step 6: Final answer
    x = 13,896.05

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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.