Home / 20,583.53-28,403.68-11,632.01

Finding the Fourth Proportional to 20,583.53, 28,403.68 and 11,632.01

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Solution

The fourth proportional to 20,583.53, 28,403.68 and 11,632.01 is: 16,051.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,583.53 : 28,403.68 = 11,632.01 : x
  2. Step 2: Convert to fraction form
    20,583.53/28,403.68 = 11,632.01/x
  3. Step 3: Cross multiply
    20,583.53x = 28,403.68 × 11,632.01
  4. Step 4: Simplify right side
    20,583.53x = 330,391,831.64
  5. Step 5: Solve for x
    x = 330,391,831.64/20,583.53
  6. Step 6: Final answer
    x = 16,051.28

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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.