Home / 19,758.95-27,266.96-10,806.42

Finding the Fourth Proportional to 19,758.95, 27,266.96 and 10,806.42

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Solution

The fourth proportional to 19,758.95, 27,266.96 and 10,806.42 is: 14,912.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,758.95 : 27,266.96 = 10,806.42 : x
  2. Step 2: Convert to fraction form
    19,758.95/27,266.96 = 10,806.42/x
  3. Step 3: Cross multiply
    19,758.95x = 27,266.96 × 10,806.42
  4. Step 4: Simplify right side
    19,758.95x = 294,658,248.90
  5. Step 5: Solve for x
    x = 294,658,248.90/19,758.95
  6. Step 6: Final answer
    x = 14,912.65

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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.