Home / 14,129.73-19,499.27-7,756.92

Finding the Fourth Proportional to 14,129.73, 19,499.27 and 7,756.92

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Solution

The fourth proportional to 14,129.73, 19,499.27 and 7,756.92 is: 10,704.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,129.73 : 19,499.27 = 7,756.92 : x
  2. Step 2: Convert to fraction form
    14,129.73/19,499.27 = 7,756.92/x
  3. Step 3: Cross multiply
    14,129.73x = 19,499.27 × 7,756.92
  4. Step 4: Simplify right side
    14,129.73x = 151,254,277.45
  5. Step 5: Solve for x
    x = 151,254,277.45/14,129.73
  6. Step 6: Final answer
    x = 10,704.68

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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.