Home / 18,468.94-25,483.76-10,916.50

Finding the Fourth Proportional to 18,468.94, 25,483.76 and 10,916.50

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Solution

The fourth proportional to 18,468.94, 25,483.76 and 10,916.50 is: 15,062.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,468.94 : 25,483.76 = 10,916.50 : x
  2. Step 2: Convert to fraction form
    18,468.94/25,483.76 = 10,916.50/x
  3. Step 3: Cross multiply
    18,468.94x = 25,483.76 × 10,916.50
  4. Step 4: Simplify right side
    18,468.94x = 278,193,466.04
  5. Step 5: Solve for x
    x = 278,193,466.04/18,468.94
  6. Step 6: Final answer
    x = 15,062.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.