Home / 14,036.61-19,370.34-7,986.71

Finding the Fourth Proportional to 14,036.61, 19,370.34 and 7,986.71

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Solution

The fourth proportional to 14,036.61, 19,370.34 and 7,986.71 is: 11,021.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,036.61 : 19,370.34 = 7,986.71 : x
  2. Step 2: Convert to fraction form
    14,036.61/19,370.34 = 7,986.71/x
  3. Step 3: Cross multiply
    14,036.61x = 19,370.34 × 7,986.71
  4. Step 4: Simplify right side
    14,036.61x = 154,705,336.61
  5. Step 5: Solve for x
    x = 154,705,336.61/14,036.61
  6. Step 6: Final answer
    x = 11,021.56

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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.