Home / 15,795.02-21,805.02-9,828.62

Finding the Fourth Proportional to 15,795.02, 21,805.02 and 9,828.62

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Solution

The fourth proportional to 15,795.02, 21,805.02 and 9,828.62 is: 13,568.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,795.02 : 21,805.02 = 9,828.62 : x
  2. Step 2: Convert to fraction form
    15,795.02/21,805.02 = 9,828.62/x
  3. Step 3: Cross multiply
    15,795.02x = 21,805.02 × 9,828.62
  4. Step 4: Simplify right side
    15,795.02x = 214,313,255.67
  5. Step 5: Solve for x
    x = 214,313,255.67/15,795.02
  6. Step 6: Final answer
    x = 13,568.41

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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.