Home / 13,283.14-19,929.32-5,892.78

Finding the Fourth Proportional to 13,283.14, 19,929.32 and 5,892.78

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Solution

The fourth proportional to 13,283.14, 19,929.32 and 5,892.78 is: 8,841.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,283.14 : 19,929.32 = 5,892.78 : x
  2. Step 2: Convert to fraction form
    13,283.14/19,929.32 = 5,892.78/x
  3. Step 3: Cross multiply
    13,283.14x = 19,929.32 × 5,892.78
  4. Step 4: Simplify right side
    13,283.14x = 117,438,980.95
  5. Step 5: Solve for x
    x = 117,438,980.95/13,283.14
  6. Step 6: Final answer
    x = 8,841.21

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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.