Home / 15,461.21-23,193.52-4,928.78

Finding the Fourth Proportional to 15,461.21, 23,193.52 and 4,928.78

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Solution

The fourth proportional to 15,461.21, 23,193.52 and 4,928.78 is: 7,393.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,461.21 : 23,193.52 = 4,928.78 : x
  2. Step 2: Convert to fraction form
    15,461.21/23,193.52 = 4,928.78/x
  3. Step 3: Cross multiply
    15,461.21x = 23,193.52 × 4,928.78
  4. Step 4: Simplify right side
    15,461.21x = 114,315,803.17
  5. Step 5: Solve for x
    x = 114,315,803.17/15,461.21
  6. Step 6: Final answer
    x = 7,393.72

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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.