Home / 19,831.76-27,369.59-10,881.01

Finding the Fourth Proportional to 19,831.76, 27,369.59 and 10,881.01

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Solution

The fourth proportional to 19,831.76, 27,369.59 and 10,881.01 is: 15,016.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,831.76 : 27,369.59 = 10,881.01 : x
  2. Step 2: Convert to fraction form
    19,831.76/27,369.59 = 10,881.01/x
  3. Step 3: Cross multiply
    19,831.76x = 27,369.59 × 10,881.01
  4. Step 4: Simplify right side
    19,831.76x = 297,808,782.49
  5. Step 5: Solve for x
    x = 297,808,782.49/19,831.76
  6. Step 6: Final answer
    x = 15,016.76

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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.