Home / 19,958.29-27,541.90-11,005.63

Finding the Fourth Proportional to 19,958.29, 27,541.90 and 11,005.63

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Solution

The fourth proportional to 19,958.29, 27,541.90 and 11,005.63 is: 15,187.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,958.29 : 27,541.90 = 11,005.63 : x
  2. Step 2: Convert to fraction form
    19,958.29/27,541.90 = 11,005.63/x
  3. Step 3: Cross multiply
    19,958.29x = 27,541.90 × 11,005.63
  4. Step 4: Simplify right side
    19,958.29x = 303,115,905.87
  5. Step 5: Solve for x
    x = 303,115,905.87/19,958.29
  6. Step 6: Final answer
    x = 15,187.47

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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.