Home / 14,370.81-19,831.52-8,083.19

Finding the Fourth Proportional to 14,370.81, 19,831.52 and 8,083.19

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Solution

The fourth proportional to 14,370.81, 19,831.52 and 8,083.19 is: 11,154.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,370.81 : 19,831.52 = 8,083.19 : x
  2. Step 2: Convert to fraction form
    14,370.81/19,831.52 = 8,083.19/x
  3. Step 3: Cross multiply
    14,370.81x = 19,831.52 × 8,083.19
  4. Step 4: Simplify right side
    14,370.81x = 160,301,804.58
  5. Step 5: Solve for x
    x = 160,301,804.58/14,370.81
  6. Step 6: Final answer
    x = 11,154.68

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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.