Home / 14,976.28-20,663.67-9,670.17

Finding the Fourth Proportional to 14,976.28, 20,663.67 and 9,670.17

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Solution

The fourth proportional to 14,976.28, 20,663.67 and 9,670.17 is: 13,342.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,976.28 : 20,663.67 = 9,670.17 : x
  2. Step 2: Convert to fraction form
    14,976.28/20,663.67 = 9,670.17/x
  3. Step 3: Cross multiply
    14,976.28x = 20,663.67 × 9,670.17
  4. Step 4: Simplify right side
    14,976.28x = 199,821,201.72
  5. Step 5: Solve for x
    x = 199,821,201.72/14,976.28
  6. Step 6: Final answer
    x = 13,342.51

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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.