Home / 15,511.79-23,267.75-4,838.28

Finding the Fourth Proportional to 15,511.79, 23,267.75 and 4,838.28

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Solution

The fourth proportional to 15,511.79, 23,267.75 and 4,838.28 is: 7,257.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,511.79 : 23,267.75 = 4,838.28 : x
  2. Step 2: Convert to fraction form
    15,511.79/23,267.75 = 4,838.28/x
  3. Step 3: Cross multiply
    15,511.79x = 23,267.75 × 4,838.28
  4. Step 4: Simplify right side
    15,511.79x = 112,575,889.47
  5. Step 5: Solve for x
    x = 112,575,889.47/15,511.79
  6. Step 6: Final answer
    x = 7,257.44

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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.