Home / 15,472.40-23,208.72-4,798.72

Finding the Fourth Proportional to 15,472.40, 23,208.72 and 4,798.72

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Solution

The fourth proportional to 15,472.40, 23,208.72 and 4,798.72 is: 7,198.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,472.40 : 23,208.72 = 4,798.72 : x
  2. Step 2: Convert to fraction form
    15,472.40/23,208.72 = 4,798.72/x
  3. Step 3: Cross multiply
    15,472.40x = 23,208.72 × 4,798.72
  4. Step 4: Simplify right side
    15,472.40x = 111,372,148.84
  5. Step 5: Solve for x
    x = 111,372,148.84/15,472.40
  6. Step 6: Final answer
    x = 7,198.12

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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.