Home / 13,747.92-20,612.73-7,088.49

Finding the Fourth Proportional to 13,747.92, 20,612.73 and 7,088.49

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Solution

The fourth proportional to 13,747.92, 20,612.73 and 7,088.49 is: 10,628.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,747.92 : 20,612.73 = 7,088.49 : x
  2. Step 2: Convert to fraction form
    13,747.92/20,612.73 = 7,088.49/x
  3. Step 3: Cross multiply
    13,747.92x = 20,612.73 × 7,088.49
  4. Step 4: Simplify right side
    13,747.92x = 146,113,130.48
  5. Step 5: Solve for x
    x = 146,113,130.48/13,747.92
  6. Step 6: Final answer
    x = 10,628.02

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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.