Home / 14,126.15-19,494.12-7,752.79

Finding the Fourth Proportional to 14,126.15, 19,494.12 and 7,752.79

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Solution

The fourth proportional to 14,126.15, 19,494.12 and 7,752.79 is: 10,698.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,126.15 : 19,494.12 = 7,752.79 : x
  2. Step 2: Convert to fraction form
    14,126.15/19,494.12 = 7,752.79/x
  3. Step 3: Cross multiply
    14,126.15x = 19,494.12 × 7,752.79
  4. Step 4: Simplify right side
    14,126.15x = 151,133,818.59
  5. Step 5: Solve for x
    x = 151,133,818.59/14,126.15
  6. Step 6: Final answer
    x = 10,698.87

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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.