Home / 13,831.88-19,087.99-7,544.25

Finding the Fourth Proportional to 13,831.88, 19,087.99 and 7,544.25

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Solution

The fourth proportional to 13,831.88, 19,087.99 and 7,544.25 is: 10,411.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,831.88 : 19,087.99 = 7,544.25 : x
  2. Step 2: Convert to fraction form
    13,831.88/19,087.99 = 7,544.25/x
  3. Step 3: Cross multiply
    13,831.88x = 19,087.99 × 7,544.25
  4. Step 4: Simplify right side
    13,831.88x = 144,004,549.70
  5. Step 5: Solve for x
    x = 144,004,549.70/13,831.88
  6. Step 6: Final answer
    x = 10,411.07

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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.