Home / 19,008.75-26,229.79-10,509.72

Finding the Fourth Proportional to 19,008.75, 26,229.79 and 10,509.72

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Solution

The fourth proportional to 19,008.75, 26,229.79 and 10,509.72 is: 14,502.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,008.75 : 26,229.79 = 10,509.72 : x
  2. Step 2: Convert to fraction form
    19,008.75/26,229.79 = 10,509.72/x
  3. Step 3: Cross multiply
    19,008.75x = 26,229.79 × 10,509.72
  4. Step 4: Simplify right side
    19,008.75x = 275,667,840.31
  5. Step 5: Solve for x
    x = 275,667,840.31/19,008.75
  6. Step 6: Final answer
    x = 14,502.15

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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.