Home / 14,370.86-19,831.74-7,997.42

Finding the Fourth Proportional to 14,370.86, 19,831.74 and 7,997.42

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Solution

The fourth proportional to 14,370.86, 19,831.74 and 7,997.42 is: 11,036.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,370.86 : 19,831.74 = 7,997.42 : x
  2. Step 2: Convert to fraction form
    14,370.86/19,831.74 = 7,997.42/x
  3. Step 3: Cross multiply
    14,370.86x = 19,831.74 × 7,997.42
  4. Step 4: Simplify right side
    14,370.86x = 158,602,754.11
  5. Step 5: Solve for x
    x = 158,602,754.11/14,370.86
  6. Step 6: Final answer
    x = 11,036.41

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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.