Home / 19,142.21-26,416.23-10,758.71

Finding the Fourth Proportional to 19,142.21, 26,416.23 and 10,758.71

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Solution

The fourth proportional to 19,142.21, 26,416.23 and 10,758.71 is: 14,847.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,142.21 : 26,416.23 = 10,758.71 : x
  2. Step 2: Convert to fraction form
    19,142.21/26,416.23 = 10,758.71/x
  3. Step 3: Cross multiply
    19,142.21x = 26,416.23 × 10,758.71
  4. Step 4: Simplify right side
    19,142.21x = 284,204,557.86
  5. Step 5: Solve for x
    x = 284,204,557.86/19,142.21
  6. Step 6: Final answer
    x = 14,847.01

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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.