Home / 28,646.94-39,530.19-16,711.32

Finding the Fourth Proportional to 28,646.94, 39,530.19 and 16,711.32

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Solution

The fourth proportional to 28,646.94, 39,530.19 and 16,711.32 is: 23,060.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,646.94 : 39,530.19 = 16,711.32 : x
  2. Step 2: Convert to fraction form
    28,646.94/39,530.19 = 16,711.32/x
  3. Step 3: Cross multiply
    28,646.94x = 39,530.19 × 16,711.32
  4. Step 4: Simplify right side
    28,646.94x = 660,601,654.75
  5. Step 5: Solve for x
    x = 660,601,654.75/28,646.94
  6. Step 6: Final answer
    x = 23,060.11

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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.