Home / 15,870.03-23,806.31-5,872.70

Finding the Fourth Proportional to 15,870.03, 23,806.31 and 5,872.70

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Solution

The fourth proportional to 15,870.03, 23,806.31 and 5,872.70 is: 8,809.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,870.03 : 23,806.31 = 5,872.70 : x
  2. Step 2: Convert to fraction form
    15,870.03/23,806.31 = 5,872.70/x
  3. Step 3: Cross multiply
    15,870.03x = 23,806.31 × 5,872.70
  4. Step 4: Simplify right side
    15,870.03x = 139,807,346.89
  5. Step 5: Solve for x
    x = 139,807,346.89/15,870.03
  6. Step 6: Final answer
    x = 8,809.52

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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.