Home / 18,886.08-28,208.48-17,104.56

Finding the Fourth Proportional to 18,886.08, 28,208.48 and 17,104.56

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Solution

The fourth proportional to 18,886.08, 28,208.48 and 17,104.56 is: 25,547.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,886.08 : 28,208.48 = 17,104.56 : x
  2. Step 2: Convert to fraction form
    18,886.08/28,208.48 = 17,104.56/x
  3. Step 3: Cross multiply
    18,886.08x = 28,208.48 × 17,104.56
  4. Step 4: Simplify right side
    18,886.08x = 482,493,638.67
  5. Step 5: Solve for x
    x = 482,493,638.67/18,886.08
  6. Step 6: Final answer
    x = 25,547.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.