Home / 19,008.21-26,230.20-10,509.66

Finding the Fourth Proportional to 19,008.21, 26,230.20 and 10,509.66

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Solution

The fourth proportional to 19,008.21, 26,230.20 and 10,509.66 is: 14,502.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,008.21 : 26,230.20 = 10,509.66 : x
  2. Step 2: Convert to fraction form
    19,008.21/26,230.20 = 10,509.66/x
  3. Step 3: Cross multiply
    19,008.21x = 26,230.20 × 10,509.66
  4. Step 4: Simplify right side
    19,008.21x = 275,670,503.38
  5. Step 5: Solve for x
    x = 275,670,503.38/19,008.21
  6. Step 6: Final answer
    x = 14,502.71

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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.