Home / 28,511.90-39,352.67-16,582.12

Finding the Fourth Proportional to 28,511.90, 39,352.67 and 16,582.12

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Solution

The fourth proportional to 28,511.90, 39,352.67 and 16,582.12 is: 22,886.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,511.90 : 39,352.67 = 16,582.12 : x
  2. Step 2: Convert to fraction form
    28,511.90/39,352.67 = 16,582.12/x
  3. Step 3: Cross multiply
    28,511.90x = 39,352.67 × 16,582.12
  4. Step 4: Simplify right side
    28,511.90x = 652,550,696.26
  5. Step 5: Solve for x
    x = 652,550,696.26/28,511.90
  6. Step 6: Final answer
    x = 22,886.96

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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.