Home / 19,190.16-28,758.96-9,810.54

Finding the Fourth Proportional to 19,190.16, 28,758.96 and 9,810.54

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Solution

The fourth proportional to 19,190.16, 28,758.96 and 9,810.54 is: 14,702.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,190.16 : 28,758.96 = 9,810.54 : x
  2. Step 2: Convert to fraction form
    19,190.16/28,758.96 = 9,810.54/x
  3. Step 3: Cross multiply
    19,190.16x = 28,758.96 × 9,810.54
  4. Step 4: Simplify right side
    19,190.16x = 282,140,927.44
  5. Step 5: Solve for x
    x = 282,140,927.44/19,190.16
  6. Step 6: Final answer
    x = 14,702.37

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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.