Home / 22,030.09-30,400.70-11,958.32

Finding the Fourth Proportional to 22,030.09, 30,400.70 and 11,958.32

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Solution

The fourth proportional to 22,030.09, 30,400.70 and 11,958.32 is: 16,502.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,030.09 : 30,400.70 = 11,958.32 : x
  2. Step 2: Convert to fraction form
    22,030.09/30,400.70 = 11,958.32/x
  3. Step 3: Cross multiply
    22,030.09x = 30,400.70 × 11,958.32
  4. Step 4: Simplify right side
    22,030.09x = 363,541,315.03
  5. Step 5: Solve for x
    x = 363,541,315.03/22,030.09
  6. Step 6: Final answer
    x = 16,502.04

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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.