Home / 19,775.07-27,289.31-10,822.34

Finding the Fourth Proportional to 19,775.07, 27,289.31 and 10,822.34

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Solution

The fourth proportional to 19,775.07, 27,289.31 and 10,822.34 is: 14,934.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,775.07 : 27,289.31 = 10,822.34 : x
  2. Step 2: Convert to fraction form
    19,775.07/27,289.31 = 10,822.34/x
  3. Step 3: Cross multiply
    19,775.07x = 27,289.31 × 10,822.34
  4. Step 4: Simplify right side
    19,775.07x = 295,334,205.30
  5. Step 5: Solve for x
    x = 295,334,205.30/19,775.07
  6. Step 6: Final answer
    x = 14,934.67

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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.