Home / 19,900.48-27,460.56-11,943.04

Finding the Fourth Proportional to 19,900.48, 27,460.56 and 11,943.04

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Solution

The fourth proportional to 19,900.48, 27,460.56 and 11,943.04 is: 16,480.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,900.48 : 27,460.56 = 11,943.04 : x
  2. Step 2: Convert to fraction form
    19,900.48/27,460.56 = 11,943.04/x
  3. Step 3: Cross multiply
    19,900.48x = 27,460.56 × 11,943.04
  4. Step 4: Simplify right side
    19,900.48x = 327,962,566.50
  5. Step 5: Solve for x
    x = 327,962,566.50/19,900.48
  6. Step 6: Final answer
    x = 16,480.13

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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.