Home / 19,171.55-26,457.33-10,440.80

Finding the Fourth Proportional to 19,171.55, 26,457.33 and 10,440.80

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Solution

The fourth proportional to 19,171.55, 26,457.33 and 10,440.80 is: 14,408.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,171.55 : 26,457.33 = 10,440.80 : x
  2. Step 2: Convert to fraction form
    19,171.55/26,457.33 = 10,440.80/x
  3. Step 3: Cross multiply
    19,171.55x = 26,457.33 × 10,440.80
  4. Step 4: Simplify right side
    19,171.55x = 276,235,558.78
  5. Step 5: Solve for x
    x = 276,235,558.78/19,171.55
  6. Step 6: Final answer
    x = 14,408.62

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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.