Home / 19,936.95-29,854.40-11,130.63

Finding the Fourth Proportional to 19,936.95, 29,854.40 and 11,130.63

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Solution

The fourth proportional to 19,936.95, 29,854.40 and 11,130.63 is: 16,667.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,936.95 : 29,854.40 = 11,130.63 : x
  2. Step 2: Convert to fraction form
    19,936.95/29,854.40 = 11,130.63/x
  3. Step 3: Cross multiply
    19,936.95x = 29,854.40 × 11,130.63
  4. Step 4: Simplify right side
    19,936.95x = 332,298,224.62
  5. Step 5: Solve for x
    x = 332,298,224.62/19,936.95
  6. Step 6: Final answer
    x = 16,667.46

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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.