Home / 14,439.06-19,926.46-8,065.32

Finding the Fourth Proportional to 14,439.06, 19,926.46 and 8,065.32

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Solution

The fourth proportional to 14,439.06, 19,926.46 and 8,065.32 is: 11,130.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,439.06 : 19,926.46 = 8,065.32 : x
  2. Step 2: Convert to fraction form
    14,439.06/19,926.46 = 8,065.32/x
  3. Step 3: Cross multiply
    14,439.06x = 19,926.46 × 8,065.32
  4. Step 4: Simplify right side
    14,439.06x = 160,713,278.44
  5. Step 5: Solve for x
    x = 160,713,278.44/14,439.06
  6. Step 6: Final answer
    x = 11,130.45

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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.