Home / 25,729.23-35,474.52-20,693.67

Finding the Fourth Proportional to 25,729.23, 35,474.52 and 20,693.67

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Solution

The fourth proportional to 25,729.23, 35,474.52 and 20,693.67 is: 28,531.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,729.23 : 35,474.52 = 20,693.67 : x
  2. Step 2: Convert to fraction form
    25,729.23/35,474.52 = 20,693.67/x
  3. Step 3: Cross multiply
    25,729.23x = 35,474.52 × 20,693.67
  4. Step 4: Simplify right side
    25,729.23x = 734,098,010.29
  5. Step 5: Solve for x
    x = 734,098,010.29/25,729.23
  6. Step 6: Final answer
    x = 28,531.67

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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.