Home / 28,596.32-42,900.21-9,877.04

Finding the Fourth Proportional to 28,596.32, 42,900.21 and 9,877.04

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Solution

The fourth proportional to 28,596.32, 42,900.21 and 9,877.04 is: 14,817.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,596.32 : 42,900.21 = 9,877.04 : x
  2. Step 2: Convert to fraction form
    28,596.32/42,900.21 = 9,877.04/x
  3. Step 3: Cross multiply
    28,596.32x = 42,900.21 × 9,877.04
  4. Step 4: Simplify right side
    28,596.32x = 423,727,090.18
  5. Step 5: Solve for x
    x = 423,727,090.18/28,596.32
  6. Step 6: Final answer
    x = 14,817.54

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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.