Home / 15,360.48-23,040-4,830.24

Finding the Fourth Proportional to 15,360.48, 23,040 and 4,830.24

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Solution

The fourth proportional to 15,360.48, 23,040 and 4,830.24 is: 7,245.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,360.48 : 23,040 = 4,830.24 : x
  2. Step 2: Convert to fraction form
    15,360.48/23,040 = 4,830.24/x
  3. Step 3: Cross multiply
    15,360.48x = 23,040 × 4,830.24
  4. Step 4: Simplify right side
    15,360.48x = 111,288,729.60
  5. Step 5: Solve for x
    x = 111,288,729.60/15,360.48
  6. Step 6: Final answer
    x = 7,245.13

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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.