Home / 14,350.40-19,803.28-7,976.92

Finding the Fourth Proportional to 14,350.40, 19,803.28 and 7,976.92

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Solution

The fourth proportional to 14,350.40, 19,803.28 and 7,976.92 is: 11,008.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,350.40 : 19,803.28 = 7,976.92 : x
  2. Step 2: Convert to fraction form
    14,350.40/19,803.28 = 7,976.92/x
  3. Step 3: Cross multiply
    14,350.40x = 19,803.28 × 7,976.92
  4. Step 4: Simplify right side
    14,350.40x = 157,969,180.30
  5. Step 5: Solve for x
    x = 157,969,180.30/14,350.40
  6. Step 6: Final answer
    x = 11,008.00

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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.