Home / 30,406.26-41,927.52-19,776.18

Finding the Fourth Proportional to 30,406.26, 41,927.52 and 19,776.18

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Solution

The fourth proportional to 30,406.26, 41,927.52 and 19,776.18 is: 27,269.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,406.26 : 41,927.52 = 19,776.18 : x
  2. Step 2: Convert to fraction form
    30,406.26/41,927.52 = 19,776.18/x
  3. Step 3: Cross multiply
    30,406.26x = 41,927.52 × 19,776.18
  4. Step 4: Simplify right side
    30,406.26x = 829,166,182.47
  5. Step 5: Solve for x
    x = 829,166,182.47/30,406.26
  6. Step 6: Final answer
    x = 27,269.59

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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.