Home / 13,941.32-19,232.74-8,276.30

Finding the Fourth Proportional to 13,941.32, 19,232.74 and 8,276.30

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Solution

The fourth proportional to 13,941.32, 19,232.74 and 8,276.30 is: 11,417.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941.32 : 19,232.74 = 8,276.30 : x
  2. Step 2: Convert to fraction form
    13,941.32/19,232.74 = 8,276.30/x
  3. Step 3: Cross multiply
    13,941.32x = 19,232.74 × 8,276.30
  4. Step 4: Simplify right side
    13,941.32x = 159,175,926.06
  5. Step 5: Solve for x
    x = 159,175,926.06/13,941.32
  6. Step 6: Final answer
    x = 11,417.56

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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.