Home / 28,412.64-39,193.39-17,783.82

Finding the Fourth Proportional to 28,412.64, 39,193.39 and 17,783.82

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Solution

The fourth proportional to 28,412.64, 39,193.39 and 17,783.82 is: 24,531.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,412.64 : 39,193.39 = 17,783.82 : x
  2. Step 2: Convert to fraction form
    28,412.64/39,193.39 = 17,783.82/x
  3. Step 3: Cross multiply
    28,412.64x = 39,193.39 × 17,783.82
  4. Step 4: Simplify right side
    28,412.64x = 697,008,148.49
  5. Step 5: Solve for x
    x = 697,008,148.49/28,412.64
  6. Step 6: Final answer
    x = 24,531.62

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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.