Home / 19,784.43-27,302.51-10,831.93

Finding the Fourth Proportional to 19,784.43, 27,302.51 and 10,831.93

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Solution

The fourth proportional to 19,784.43, 27,302.51 and 10,831.93 is: 14,948.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,784.43 : 27,302.51 = 10,831.93 : x
  2. Step 2: Convert to fraction form
    19,784.43/27,302.51 = 10,831.93/x
  3. Step 3: Cross multiply
    19,784.43x = 27,302.51 × 10,831.93
  4. Step 4: Simplify right side
    19,784.43x = 295,738,845.84
  5. Step 5: Solve for x
    x = 295,738,845.84/19,784.43
  6. Step 6: Final answer
    x = 14,948.06

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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.