Home / 15,870.36-23,806.73-5,340.41

Finding the Fourth Proportional to 15,870.36, 23,806.73 and 5,340.41

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Solution

The fourth proportional to 15,870.36, 23,806.73 and 5,340.41 is: 8,011.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,870.36 : 23,806.73 = 5,340.41 : x
  2. Step 2: Convert to fraction form
    15,870.36/23,806.73 = 5,340.41/x
  3. Step 3: Cross multiply
    15,870.36x = 23,806.73 × 5,340.41
  4. Step 4: Simplify right side
    15,870.36x = 127,137,698.96
  5. Step 5: Solve for x
    x = 127,137,698.96/15,870.36
  6. Step 6: Final answer
    x = 8,011.02

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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.