Home / 19,278.95-26,596.55-11,307.33

Finding the Fourth Proportional to 19,278.95, 26,596.55 and 11,307.33

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Solution

The fourth proportional to 19,278.95, 26,596.55 and 11,307.33 is: 15,599.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,278.95 : 26,596.55 = 11,307.33 : x
  2. Step 2: Convert to fraction form
    19,278.95/26,596.55 = 11,307.33/x
  3. Step 3: Cross multiply
    19,278.95x = 26,596.55 × 11,307.33
  4. Step 4: Simplify right side
    19,278.95x = 300,735,995.98
  5. Step 5: Solve for x
    x = 300,735,995.98/19,278.95
  6. Step 6: Final answer
    x = 15,599.19

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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.