Home / 14,005.42-19,326.81-8,039.23

Finding the Fourth Proportional to 14,005.42, 19,326.81 and 8,039.23

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Solution

The fourth proportional to 14,005.42, 19,326.81 and 8,039.23 is: 11,093.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,005.42 : 19,326.81 = 8,039.23 : x
  2. Step 2: Convert to fraction form
    14,005.42/19,326.81 = 8,039.23/x
  3. Step 3: Cross multiply
    14,005.42x = 19,326.81 × 8,039.23
  4. Step 4: Simplify right side
    14,005.42x = 155,372,670.76
  5. Step 5: Solve for x
    x = 155,372,670.76/14,005.42
  6. Step 6: Final answer
    x = 11,093.75

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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.