Home / 19,665.62-27,164.53-14,571.50

Finding the Fourth Proportional to 19,665.62, 27,164.53 and 14,571.50

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Solution

The fourth proportional to 19,665.62, 27,164.53 and 14,571.50 is: 20,127.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,665.62 : 27,164.53 = 14,571.50 : x
  2. Step 2: Convert to fraction form
    19,665.62/27,164.53 = 14,571.50/x
  3. Step 3: Cross multiply
    19,665.62x = 27,164.53 × 14,571.50
  4. Step 4: Simplify right side
    19,665.62x = 395,827,831.29
  5. Step 5: Solve for x
    x = 395,827,831.29/19,665.62
  6. Step 6: Final answer
    x = 20,127.91

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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.