Home / 19,116.54-28,674.76-5,077.98

Finding the Fourth Proportional to 19,116.54, 28,674.76 and 5,077.98

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Solution

The fourth proportional to 19,116.54, 28,674.76 and 5,077.98 is: 7,616.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,116.54 : 28,674.76 = 5,077.98 : x
  2. Step 2: Convert to fraction form
    19,116.54/28,674.76 = 5,077.98/x
  3. Step 3: Cross multiply
    19,116.54x = 28,674.76 × 5,077.98
  4. Step 4: Simplify right side
    19,116.54x = 145,609,814.29
  5. Step 5: Solve for x
    x = 145,609,814.29/19,116.54
  6. Step 6: Final answer
    x = 7,616.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.