Home / 14,081.58-19,421.73-9,831.24

Finding the Fourth Proportional to 14,081.58, 19,421.73 and 9,831.24

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Solution

The fourth proportional to 14,081.58, 19,421.73 and 9,831.24 is: 13,559.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,081.58 : 19,421.73 = 9,831.24 : x
  2. Step 2: Convert to fraction form
    14,081.58/19,421.73 = 9,831.24/x
  3. Step 3: Cross multiply
    14,081.58x = 19,421.73 × 9,831.24
  4. Step 4: Simplify right side
    14,081.58x = 190,939,688.85
  5. Step 5: Solve for x
    x = 190,939,688.85/14,081.58
  6. Step 6: Final answer
    x = 13,559.54

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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.