Home / 14,210.49-19,615.86-11,177.76

Finding the Fourth Proportional to 14,210.49, 19,615.86 and 11,177.76

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Solution

The fourth proportional to 14,210.49, 19,615.86 and 11,177.76 is: 15,429.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,210.49 : 19,615.86 = 11,177.76 : x
  2. Step 2: Convert to fraction form
    14,210.49/19,615.86 = 11,177.76/x
  3. Step 3: Cross multiply
    14,210.49x = 19,615.86 × 11,177.76
  4. Step 4: Simplify right side
    14,210.49x = 219,261,375.27
  5. Step 5: Solve for x
    x = 219,261,375.27/14,210.49
  6. Step 6: Final answer
    x = 15,429.54

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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.