Home / 22,009.32-30,365.28-20,332.62

Finding the Fourth Proportional to 22,009.32, 30,365.28 and 20,332.62

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Solution

The fourth proportional to 22,009.32, 30,365.28 and 20,332.62 is: 28,052.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,009.32 : 30,365.28 = 20,332.62 : x
  2. Step 2: Convert to fraction form
    22,009.32/30,365.28 = 20,332.62/x
  3. Step 3: Cross multiply
    22,009.32x = 30,365.28 × 20,332.62
  4. Step 4: Simplify right side
    22,009.32x = 617,405,699.43
  5. Step 5: Solve for x
    x = 617,405,699.43/22,009.32
  6. Step 6: Final answer
    x = 28,052.01

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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.