Home / 14,313.34-19,742.43-13,831.66

Finding the Fourth Proportional to 14,313.34, 19,742.43 and 13,831.66

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Solution

The fourth proportional to 14,313.34, 19,742.43 and 13,831.66 is: 19,078.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,313.34 : 19,742.43 = 13,831.66 : x
  2. Step 2: Convert to fraction form
    14,313.34/19,742.43 = 13,831.66/x
  3. Step 3: Cross multiply
    14,313.34x = 19,742.43 × 13,831.66
  4. Step 4: Simplify right side
    14,313.34x = 273,070,579.33
  5. Step 5: Solve for x
    x = 273,070,579.33/14,313.34
  6. Step 6: Final answer
    x = 19,078.05

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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.