Home / 13,831.84-19,087.76-7,544.08

Finding the Fourth Proportional to 13,831.84, 19,087.76 and 7,544.08

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Solution

The fourth proportional to 13,831.84, 19,087.76 and 7,544.08 is: 10,410.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,831.84 : 19,087.76 = 7,544.08 : x
  2. Step 2: Convert to fraction form
    13,831.84/19,087.76 = 7,544.08/x
  3. Step 3: Cross multiply
    13,831.84x = 19,087.76 × 7,544.08
  4. Step 4: Simplify right side
    13,831.84x = 143,999,588.46
  5. Step 5: Solve for x
    x = 143,999,588.46/13,831.84
  6. Step 6: Final answer
    x = 10,410.73

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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.