Home / 19,002.21-26,223.09-10,618.71

Finding the Fourth Proportional to 19,002.21, 26,223.09 and 10,618.71

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Solution

The fourth proportional to 19,002.21, 26,223.09 and 10,618.71 is: 14,653.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,002.21 : 26,223.09 = 10,618.71 : x
  2. Step 2: Convert to fraction form
    19,002.21/26,223.09 = 10,618.71/x
  3. Step 3: Cross multiply
    19,002.21x = 26,223.09 × 10,618.71
  4. Step 4: Simplify right side
    19,002.21x = 278,455,388.01
  5. Step 5: Solve for x
    x = 278,455,388.01/19,002.21
  6. Step 6: Final answer
    x = 14,653.84

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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.