Home / 15,873.10-23,817.75-6,520.30

Finding the Fourth Proportional to 15,873.10, 23,817.75 and 6,520.30

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Solution

The fourth proportional to 15,873.10, 23,817.75 and 6,520.30 is: 9,783.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,873.10 : 23,817.75 = 6,520.30 : x
  2. Step 2: Convert to fraction form
    15,873.10/23,817.75 = 6,520.30/x
  3. Step 3: Cross multiply
    15,873.10x = 23,817.75 × 6,520.30
  4. Step 4: Simplify right side
    15,873.10x = 155,298,875.33
  5. Step 5: Solve for x
    x = 155,298,875.33/15,873.10
  6. Step 6: Final answer
    x = 9,783.78

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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.