Home / 15,536.16-21,588.84-15,376.32

Finding the Fourth Proportional to 15,536.16, 21,588.84 and 15,376.32

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Solution

The fourth proportional to 15,536.16, 21,588.84 and 15,376.32 is: 21,366.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,536.16 : 21,588.84 = 15,376.32 : x
  2. Step 2: Convert to fraction form
    15,536.16/21,588.84 = 15,376.32/x
  3. Step 3: Cross multiply
    15,536.16x = 21,588.84 × 15,376.32
  4. Step 4: Simplify right side
    15,536.16x = 331,956,912.27
  5. Step 5: Solve for x
    x = 331,956,912.27/15,536.16
  6. Step 6: Final answer
    x = 21,366.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.