Home / 28,382.62-42,573.47-9,675.68

Finding the Fourth Proportional to 28,382.62, 42,573.47 and 9,675.68

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Solution

The fourth proportional to 28,382.62, 42,573.47 and 9,675.68 is: 14,513.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,382.62 : 42,573.47 = 9,675.68 : x
  2. Step 2: Convert to fraction form
    28,382.62/42,573.47 = 9,675.68/x
  3. Step 3: Cross multiply
    28,382.62x = 42,573.47 × 9,675.68
  4. Step 4: Simplify right side
    28,382.62x = 411,927,223.83
  5. Step 5: Solve for x
    x = 411,927,223.83/28,382.62
  6. Step 6: Final answer
    x = 14,513.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.