Home / 18,628.70-25,690.03-12,244.01

Finding the Fourth Proportional to 18,628.70, 25,690.03 and 12,244.01

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Solution

The fourth proportional to 18,628.70, 25,690.03 and 12,244.01 is: 16,885.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,628.70 : 25,690.03 = 12,244.01 : x
  2. Step 2: Convert to fraction form
    18,628.70/25,690.03 = 12,244.01/x
  3. Step 3: Cross multiply
    18,628.70x = 25,690.03 × 12,244.01
  4. Step 4: Simplify right side
    18,628.70x = 314,548,825.16
  5. Step 5: Solve for x
    x = 314,548,825.16/18,628.70
  6. Step 6: Final answer
    x = 16,885.18

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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.