Home / 18,869.64-26,048.16-11,794.56

Finding the Fourth Proportional to 18,869.64, 26,048.16 and 11,794.56

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Solution

The fourth proportional to 18,869.64, 26,048.16 and 11,794.56 is: 16,281.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,869.64 : 26,048.16 = 11,794.56 : x
  2. Step 2: Convert to fraction form
    18,869.64/26,048.16 = 11,794.56/x
  3. Step 3: Cross multiply
    18,869.64x = 26,048.16 × 11,794.56
  4. Step 4: Simplify right side
    18,869.64x = 307,226,586.01
  5. Step 5: Solve for x
    x = 307,226,586.01/18,869.64
  6. Step 6: Final answer
    x = 16,281.53

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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.