Home / 19,586.47-27,031.01-11,090.09

Finding the Fourth Proportional to 19,586.47, 27,031.01 and 11,090.09

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Solution

The fourth proportional to 19,586.47, 27,031.01 and 11,090.09 is: 15,305.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,586.47 : 27,031.01 = 11,090.09 : x
  2. Step 2: Convert to fraction form
    19,586.47/27,031.01 = 11,090.09/x
  3. Step 3: Cross multiply
    19,586.47x = 27,031.01 × 11,090.09
  4. Step 4: Simplify right side
    19,586.47x = 299,776,278.24
  5. Step 5: Solve for x
    x = 299,776,278.24/19,586.47
  6. Step 6: Final answer
    x = 15,305.27

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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.