Home / 25,289.23-34,862.87-19,902.33

Finding the Fourth Proportional to 25,289.23, 34,862.87 and 19,902.33

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Solution

The fourth proportional to 25,289.23, 34,862.87 and 19,902.33 is: 27,436.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,289.23 : 34,862.87 = 19,902.33 : x
  2. Step 2: Convert to fraction form
    25,289.23/34,862.87 = 19,902.33/x
  3. Step 3: Cross multiply
    25,289.23x = 34,862.87 × 19,902.33
  4. Step 4: Simplify right side
    25,289.23x = 693,852,343.49
  5. Step 5: Solve for x
    x = 693,852,343.49/25,289.23
  6. Step 6: Final answer
    x = 27,436.67

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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.