Home / 28,886.04-39,841.41-18,265.38

Finding the Fourth Proportional to 28,886.04, 39,841.41 and 18,265.38

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Solution

The fourth proportional to 28,886.04, 39,841.41 and 18,265.38 is: 25,192.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,886.04 : 39,841.41 = 18,265.38 : x
  2. Step 2: Convert to fraction form
    28,886.04/39,841.41 = 18,265.38/x
  3. Step 3: Cross multiply
    28,886.04x = 39,841.41 × 18,265.38
  4. Step 4: Simplify right side
    28,886.04x = 727,718,493.39
  5. Step 5: Solve for x
    x = 727,718,493.39/28,886.04
  6. Step 6: Final answer
    x = 25,192.74

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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.