Home / 28,349.18-42,523.73-9,631.16

Finding the Fourth Proportional to 28,349.18, 42,523.73 and 9,631.16

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Solution

The fourth proportional to 28,349.18, 42,523.73 and 9,631.16 is: 14,446.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,349.18 : 42,523.73 = 9,631.16 : x
  2. Step 2: Convert to fraction form
    28,349.18/42,523.73 = 9,631.16/x
  3. Step 3: Cross multiply
    28,349.18x = 42,523.73 × 9,631.16
  4. Step 4: Simplify right side
    28,349.18x = 409,552,847.43
  5. Step 5: Solve for x
    x = 409,552,847.43/28,349.18
  6. Step 6: Final answer
    x = 14,446.73

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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.