Home / 19,951.54-27,533.21-10,998.85

Finding the Fourth Proportional to 19,951.54, 27,533.21 and 10,998.85

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Solution

The fourth proportional to 19,951.54, 27,533.21 and 10,998.85 is: 15,178.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,951.54 : 27,533.21 = 10,998.85 : x
  2. Step 2: Convert to fraction form
    19,951.54/27,533.21 = 10,998.85/x
  3. Step 3: Cross multiply
    19,951.54x = 27,533.21 × 10,998.85
  4. Step 4: Simplify right side
    19,951.54x = 302,833,646.81
  5. Step 5: Solve for x
    x = 302,833,646.81/19,951.54
  6. Step 6: Final answer
    x = 15,178.46

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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.