Home / 13,950.09-19,234.87-10,407.15

Finding the Fourth Proportional to 13,950.09, 19,234.87 and 10,407.15

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Solution

The fourth proportional to 13,950.09, 19,234.87 and 10,407.15 is: 14,349.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,950.09 : 19,234.87 = 10,407.15 : x
  2. Step 2: Convert to fraction form
    13,950.09/19,234.87 = 10,407.15/x
  3. Step 3: Cross multiply
    13,950.09x = 19,234.87 × 10,407.15
  4. Step 4: Simplify right side
    13,950.09x = 200,180,151.30
  5. Step 5: Solve for x
    x = 200,180,151.30/13,950.09
  6. Step 6: Final answer
    x = 14,349.74

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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.