Home / 15,913.38-23,870.21-4,820.94

Finding the Fourth Proportional to 15,913.38, 23,870.21 and 4,820.94

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Solution

The fourth proportional to 15,913.38, 23,870.21 and 4,820.94 is: 7,231.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,913.38 : 23,870.21 = 4,820.94 : x
  2. Step 2: Convert to fraction form
    15,913.38/23,870.21 = 4,820.94/x
  3. Step 3: Cross multiply
    15,913.38x = 23,870.21 × 4,820.94
  4. Step 4: Simplify right side
    15,913.38x = 115,076,826.09
  5. Step 5: Solve for x
    x = 115,076,826.09/15,913.38
  6. Step 6: Final answer
    x = 7,231.45

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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.