Home / 18,581.64-25,644-10,626.36

Finding the Fourth Proportional to 18,581.64, 25,644 and 10,626.36

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Solution

The fourth proportional to 18,581.64, 25,644 and 10,626.36 is: 14,665.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,581.64 : 25,644 = 10,626.36 : x
  2. Step 2: Convert to fraction form
    18,581.64/25,644 = 10,626.36/x
  3. Step 3: Cross multiply
    18,581.64x = 25,644 × 10,626.36
  4. Step 4: Simplify right side
    18,581.64x = 272,502,375.84
  5. Step 5: Solve for x
    x = 272,502,375.84/18,581.64
  6. Step 6: Final answer
    x = 14,665.14

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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.