Home / 22,278.24-30,756.96-19,289.34

Finding the Fourth Proportional to 22,278.24, 30,756.96 and 19,289.34

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Solution

The fourth proportional to 22,278.24, 30,756.96 and 19,289.34 is: 26,630.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,278.24 : 30,756.96 = 19,289.34 : x
  2. Step 2: Convert to fraction form
    22,278.24/30,756.96 = 19,289.34/x
  3. Step 3: Cross multiply
    22,278.24x = 30,756.96 × 19,289.34
  4. Step 4: Simplify right side
    22,278.24x = 593,281,458.81
  5. Step 5: Solve for x
    x = 593,281,458.81/22,278.24
  6. Step 6: Final answer
    x = 26,630.54

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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.