Home / 19,831.86-29,708.55-14,907.06

Finding the Fourth Proportional to 19,831.86, 29,708.55 and 14,907.06

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Solution

The fourth proportional to 19,831.86, 29,708.55 and 14,907.06 is: 22,331.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,831.86 : 29,708.55 = 14,907.06 : x
  2. Step 2: Convert to fraction form
    19,831.86/29,708.55 = 14,907.06/x
  3. Step 3: Cross multiply
    19,831.86x = 29,708.55 × 14,907.06
  4. Step 4: Simplify right side
    19,831.86x = 442,867,137.36
  5. Step 5: Solve for x
    x = 442,867,137.36/19,831.86
  6. Step 6: Final answer
    x = 22,331.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.