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Finding the Fourth Proportional to 18,164.48, 25,064.16 and 10,207.04

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Solution

The fourth proportional to 18,164.48, 25,064.16 and 10,207.04 is: 14,084.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,164.48 : 25,064.16 = 10,207.04 : x
  2. Step 2: Convert to fraction form
    18,164.48/25,064.16 = 10,207.04/x
  3. Step 3: Cross multiply
    18,164.48x = 25,064.16 × 10,207.04
  4. Step 4: Simplify right side
    18,164.48x = 255,830,883.69
  5. Step 5: Solve for x
    x = 255,830,883.69/18,164.48
  6. Step 6: Final answer
    x = 14,084.13

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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.