Home / 15,690.24-23,541.76-8,292.72

Finding the Fourth Proportional to 15,690.24, 23,541.76 and 8,292.72

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Solution

The fourth proportional to 15,690.24, 23,541.76 and 8,292.72 is: 12,442.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,690.24 : 23,541.76 = 8,292.72 : x
  2. Step 2: Convert to fraction form
    15,690.24/23,541.76 = 8,292.72/x
  3. Step 3: Cross multiply
    15,690.24x = 23,541.76 × 8,292.72
  4. Step 4: Simplify right side
    15,690.24x = 195,225,223.99
  5. Step 5: Solve for x
    x = 195,225,223.99/15,690.24
  6. Step 6: Final answer
    x = 12,442.46

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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.