Home / 15,919.40-23,880.33-4,827.02

Finding the Fourth Proportional to 15,919.40, 23,880.33 and 4,827.02

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Solution

The fourth proportional to 15,919.40, 23,880.33 and 4,827.02 is: 7,240.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,919.40 : 23,880.33 = 4,827.02 : x
  2. Step 2: Convert to fraction form
    15,919.40/23,880.33 = 4,827.02/x
  3. Step 3: Cross multiply
    15,919.40x = 23,880.33 × 4,827.02
  4. Step 4: Simplify right side
    15,919.40x = 115,270,711.11
  5. Step 5: Solve for x
    x = 115,270,711.11/15,919.40
  6. Step 6: Final answer
    x = 7,240.89

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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.