Home / 28,515.56-42,773.46-9,801.02

Finding the Fourth Proportional to 28,515.56, 42,773.46 and 9,801.02

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Solution

The fourth proportional to 28,515.56, 42,773.46 and 9,801.02 is: 14,701.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,515.56 : 42,773.46 = 9,801.02 : x
  2. Step 2: Convert to fraction form
    28,515.56/42,773.46 = 9,801.02/x
  3. Step 3: Cross multiply
    28,515.56x = 42,773.46 × 9,801.02
  4. Step 4: Simplify right side
    28,515.56x = 419,223,536.93
  5. Step 5: Solve for x
    x = 419,223,536.93/28,515.56
  6. Step 6: Final answer
    x = 14,701.57

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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.