Home / 15,600.20-21,528.23-8,526.60

Finding the Fourth Proportional to 15,600.20, 21,528.23 and 8,526.60

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Solution

The fourth proportional to 15,600.20, 21,528.23 and 8,526.60 is: 11,766.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,600.20 : 21,528.23 = 8,526.60 : x
  2. Step 2: Convert to fraction form
    15,600.20/21,528.23 = 8,526.60/x
  3. Step 3: Cross multiply
    15,600.20x = 21,528.23 × 8,526.60
  4. Step 4: Simplify right side
    15,600.20x = 183,562,563.29
  5. Step 5: Solve for x
    x = 183,562,563.29/15,600.20
  6. Step 6: Final answer
    x = 11,766.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.