Home / 28,361.70-42,524.28-13,570.26

Finding the Fourth Proportional to 28,361.70, 42,524.28 and 13,570.26

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Solution

The fourth proportional to 28,361.70, 42,524.28 and 13,570.26 is: 20,346.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,361.70 : 42,524.28 = 13,570.26 : x
  2. Step 2: Convert to fraction form
    28,361.70/42,524.28 = 13,570.26/x
  3. Step 3: Cross multiply
    28,361.70x = 42,524.28 × 13,570.26
  4. Step 4: Simplify right side
    28,361.70x = 577,065,535.91
  5. Step 5: Solve for x
    x = 577,065,535.91/28,361.70
  6. Step 6: Final answer
    x = 20,346.65

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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.