Home / 19,588.30-27,032.61-11,090.78

Finding the Fourth Proportional to 19,588.30, 27,032.61 and 11,090.78

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Solution

The fourth proportional to 19,588.30, 27,032.61 and 11,090.78 is: 15,305.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,588.30 : 27,032.61 = 11,090.78 : x
  2. Step 2: Convert to fraction form
    19,588.30/27,032.61 = 11,090.78/x
  3. Step 3: Cross multiply
    19,588.30x = 27,032.61 × 11,090.78
  4. Step 4: Simplify right side
    19,588.30x = 299,812,730.34
  5. Step 5: Solve for x
    x = 299,812,730.34/19,588.30
  6. Step 6: Final answer
    x = 15,305.70

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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.