Home / 13,112.24-19,642.44-9,829.04

Finding the Fourth Proportional to 13,112.24, 19,642.44 and 9,829.04

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Solution

The fourth proportional to 13,112.24, 19,642.44 and 9,829.04 is: 14,724.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,112.24 : 19,642.44 = 9,829.04 : x
  2. Step 2: Convert to fraction form
    13,112.24/19,642.44 = 9,829.04/x
  3. Step 3: Cross multiply
    13,112.24x = 19,642.44 × 9,829.04
  4. Step 4: Simplify right side
    13,112.24x = 193,066,328.46
  5. Step 5: Solve for x
    x = 193,066,328.46/13,112.24
  6. Step 6: Final answer
    x = 14,724.13

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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.