Home / 19,951.53-27,533.29-10,999.35

Finding the Fourth Proportional to 19,951.53, 27,533.29 and 10,999.35

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Solution

The fourth proportional to 19,951.53, 27,533.29 and 10,999.35 is: 15,179.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,951.53 : 27,533.29 = 10,999.35 : x
  2. Step 2: Convert to fraction form
    19,951.53/27,533.29 = 10,999.35/x
  3. Step 3: Cross multiply
    19,951.53x = 27,533.29 × 10,999.35
  4. Step 4: Simplify right side
    19,951.53x = 302,848,410.33
  5. Step 5: Solve for x
    x = 302,848,410.33/19,951.53
  6. Step 6: Final answer
    x = 15,179.21

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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.