Home / 13,830.48-19,063.76-9,352.60

Finding the Fourth Proportional to 13,830.48, 19,063.76 and 9,352.60

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Solution

The fourth proportional to 13,830.48, 19,063.76 and 9,352.60 is: 12,891.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,830.48 : 19,063.76 = 9,352.60 : x
  2. Step 2: Convert to fraction form
    13,830.48/19,063.76 = 9,352.60/x
  3. Step 3: Cross multiply
    13,830.48x = 19,063.76 × 9,352.60
  4. Step 4: Simplify right side
    13,830.48x = 178,295,627.35
  5. Step 5: Solve for x
    x = 178,295,627.35/13,830.48
  6. Step 6: Final answer
    x = 12,891.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.