Home / 15,628.20-23,444.34-5,774.40

Finding the Fourth Proportional to 15,628.20, 23,444.34 and 5,774.40

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Solution

The fourth proportional to 15,628.20, 23,444.34 and 5,774.40 is: 8,662.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,628.20 : 23,444.34 = 5,774.40 : x
  2. Step 2: Convert to fraction form
    15,628.20/23,444.34 = 5,774.40/x
  3. Step 3: Cross multiply
    15,628.20x = 23,444.34 × 5,774.40
  4. Step 4: Simplify right side
    15,628.20x = 135,376,996.90
  5. Step 5: Solve for x
    x = 135,376,996.90/15,628.20
  6. Step 6: Final answer
    x = 8,662.35

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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.