Home / 15,520.16-23,276.09-6,753

Finding the Fourth Proportional to 15,520.16, 23,276.09 and 6,753

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Solution

The fourth proportional to 15,520.16, 23,276.09 and 6,753 is: 10,127.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,520.16 : 23,276.09 = 6,753 : x
  2. Step 2: Convert to fraction form
    15,520.16/23,276.09 = 6,753/x
  3. Step 3: Cross multiply
    15,520.16x = 23,276.09 × 6,753
  4. Step 4: Simplify right side
    15,520.16x = 157,183,402.01
  5. Step 5: Solve for x
    x = 157,183,402.01/15,520.16
  6. Step 6: Final answer
    x = 10,127.70

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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.