Home / 15,026.04-20,735.73-8,311.68

Finding the Fourth Proportional to 15,026.04, 20,735.73 and 8,311.68

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Solution

The fourth proportional to 15,026.04, 20,735.73 and 8,311.68 is: 11,470.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,026.04 : 20,735.73 = 8,311.68 : x
  2. Step 2: Convert to fraction form
    15,026.04/20,735.73 = 8,311.68/x
  3. Step 3: Cross multiply
    15,026.04x = 20,735.73 × 8,311.68
  4. Step 4: Simplify right side
    15,026.04x = 172,348,752.33
  5. Step 5: Solve for x
    x = 172,348,752.33/15,026.04
  6. Step 6: Final answer
    x = 11,470.00

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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.