Home / 28,412.64-39,206.70-16,476.75

Finding the Fourth Proportional to 28,412.64, 39,206.70 and 16,476.75

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Solution

The fourth proportional to 28,412.64, 39,206.70 and 16,476.75 is: 22,736.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,412.64 : 39,206.70 = 16,476.75 : x
  2. Step 2: Convert to fraction form
    28,412.64/39,206.70 = 16,476.75/x
  3. Step 3: Cross multiply
    28,412.64x = 39,206.70 × 16,476.75
  4. Step 4: Simplify right side
    28,412.64x = 645,998,994.23
  5. Step 5: Solve for x
    x = 645,998,994.23/28,412.64
  6. Step 6: Final answer
    x = 22,736.32

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Half scale
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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.