Home / 19,390.84-26,758.63-11,849.78

Finding the Fourth Proportional to 19,390.84, 26,758.63 and 11,849.78

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Solution

The fourth proportional to 19,390.84, 26,758.63 and 11,849.78 is: 16,352.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,390.84 : 26,758.63 = 11,849.78 : x
  2. Step 2: Convert to fraction form
    19,390.84/26,758.63 = 11,849.78/x
  3. Step 3: Cross multiply
    19,390.84x = 26,758.63 × 11,849.78
  4. Step 4: Simplify right side
    19,390.84x = 317,083,878.60
  5. Step 5: Solve for x
    x = 317,083,878.60/19,390.84
  6. Step 6: Final answer
    x = 16,352.25

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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.