Home / 19,280.95-26,599.31-11,309.33

Finding the Fourth Proportional to 19,280.95, 26,599.31 and 11,309.33

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Solution

The fourth proportional to 19,280.95, 26,599.31 and 11,309.33 is: 15,601.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,280.95 : 26,599.31 = 11,309.33 : x
  2. Step 2: Convert to fraction form
    19,280.95/26,599.31 = 11,309.33/x
  3. Step 3: Cross multiply
    19,280.95x = 26,599.31 × 11,309.33
  4. Step 4: Simplify right side
    19,280.95x = 300,820,374.56
  5. Step 5: Solve for x
    x = 300,820,374.56/19,280.95
  6. Step 6: Final answer
    x = 15,601.95

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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.