Home / 19,628.08-27,086.17-11,130.98

Finding the Fourth Proportional to 19,628.08, 27,086.17 and 11,130.98

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Solution

The fourth proportional to 19,628.08, 27,086.17 and 11,130.98 is: 15,360.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,628.08 : 27,086.17 = 11,130.98 : x
  2. Step 2: Convert to fraction form
    19,628.08/27,086.17 = 11,130.98/x
  3. Step 3: Cross multiply
    19,628.08x = 27,086.17 × 11,130.98
  4. Step 4: Simplify right side
    19,628.08x = 301,495,548.83
  5. Step 5: Solve for x
    x = 301,495,548.83/19,628.08
  6. Step 6: Final answer
    x = 15,360.42

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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.