Home / 19,731.36-27,225.60-11,666.28

Finding the Fourth Proportional to 19,731.36, 27,225.60 and 11,666.28

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Solution

The fourth proportional to 19,731.36, 27,225.60 and 11,666.28 is: 16,097.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,731.36 : 27,225.60 = 11,666.28 : x
  2. Step 2: Convert to fraction form
    19,731.36/27,225.60 = 11,666.28/x
  3. Step 3: Cross multiply
    19,731.36x = 27,225.60 × 11,666.28
  4. Step 4: Simplify right side
    19,731.36x = 317,621,472.77
  5. Step 5: Solve for x
    x = 317,621,472.77/19,731.36
  6. Step 6: Final answer
    x = 16,097.29

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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.