Home / 25,691.34-38,539.59-6,971.67

Finding the Fourth Proportional to 25,691.34, 38,539.59 and 6,971.67

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Solution

The fourth proportional to 25,691.34, 38,539.59 and 6,971.67 is: 10,458.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,691.34 : 38,539.59 = 6,971.67 : x
  2. Step 2: Convert to fraction form
    25,691.34/38,539.59 = 6,971.67/x
  3. Step 3: Cross multiply
    25,691.34x = 38,539.59 × 6,971.67
  4. Step 4: Simplify right side
    25,691.34x = 268,685,303.42
  5. Step 5: Solve for x
    x = 268,685,303.42/25,691.34
  6. Step 6: Final answer
    x = 10,458.21

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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.