Home / 15,937.20-23,916.60-7,167.60

Finding the Fourth Proportional to 15,937.20, 23,916.60 and 7,167.60

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Solution

The fourth proportional to 15,937.20, 23,916.60 and 7,167.60 is: 10,756.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,937.20 : 23,916.60 = 7,167.60 : x
  2. Step 2: Convert to fraction form
    15,937.20/23,916.60 = 7,167.60/x
  3. Step 3: Cross multiply
    15,937.20x = 23,916.60 × 7,167.60
  4. Step 4: Simplify right side
    15,937.20x = 171,424,622.16
  5. Step 5: Solve for x
    x = 171,424,622.16/15,937.20
  6. Step 6: Final answer
    x = 10,756.26

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1.5x scale

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.