Home / 19,784.48-27,303.90-11,401.52

Finding the Fourth Proportional to 19,784.48, 27,303.90 and 11,401.52

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Solution

The fourth proportional to 19,784.48, 27,303.90 and 11,401.52 is: 15,734.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,784.48 : 27,303.90 = 11,401.52 : x
  2. Step 2: Convert to fraction form
    19,784.48/27,303.90 = 11,401.52/x
  3. Step 3: Cross multiply
    19,784.48x = 27,303.90 × 11,401.52
  4. Step 4: Simplify right side
    19,784.48x = 311,305,961.93
  5. Step 5: Solve for x
    x = 311,305,961.93/19,784.48
  6. Step 6: Final answer
    x = 15,734.86

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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.