Home / 25,718.56-38,577.56-19,516.67

Finding the Fourth Proportional to 25,718.56, 38,577.56 and 19,516.67

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Solution

The fourth proportional to 25,718.56, 38,577.56 and 19,516.67 is: 29,274.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,718.56 : 38,577.56 = 19,516.67 : x
  2. Step 2: Convert to fraction form
    25,718.56/38,577.56 = 19,516.67/x
  3. Step 3: Cross multiply
    25,718.56x = 38,577.56 × 19,516.67
  4. Step 4: Simplify right side
    25,718.56x = 752,905,363.83
  5. Step 5: Solve for x
    x = 752,905,363.83/25,718.56
  6. Step 6: Final answer
    x = 29,274.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.