Home / 43,217.91-64,831.73-13,626.99

Finding the Fourth Proportional to 43,217.91, 64,831.73 and 13,626.99

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Solution

The fourth proportional to 43,217.91, 64,831.73 and 13,626.99 is: 20,442.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,217.91 : 64,831.73 = 13,626.99 : x
  2. Step 2: Convert to fraction form
    43,217.91/64,831.73 = 13,626.99/x
  3. Step 3: Cross multiply
    43,217.91x = 64,831.73 × 13,626.99
  4. Step 4: Simplify right side
    43,217.91x = 883,461,268.26
  5. Step 5: Solve for x
    x = 883,461,268.26/43,217.91
  6. Step 6: Final answer
    x = 20,442.02

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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.