Home / 19,015.46-26,232.61-12,303.28

Finding the Fourth Proportional to 19,015.46, 26,232.61 and 12,303.28

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Solution

The fourth proportional to 19,015.46, 26,232.61 and 12,303.28 is: 16,972.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,015.46 : 26,232.61 = 12,303.28 : x
  2. Step 2: Convert to fraction form
    19,015.46/26,232.61 = 12,303.28/x
  3. Step 3: Cross multiply
    19,015.46x = 26,232.61 × 12,303.28
  4. Step 4: Simplify right side
    19,015.46x = 322,747,023.50
  5. Step 5: Solve for x
    x = 322,747,023.50/19,015.46
  6. Step 6: Final answer
    x = 16,972.88

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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.