Home / 18,894.04-28,467.13-17,117.32

Finding the Fourth Proportional to 18,894.04, 28,467.13 and 17,117.32

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Solution

The fourth proportional to 18,894.04, 28,467.13 and 17,117.32 is: 25,790.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,894.04 : 28,467.13 = 17,117.32 : x
  2. Step 2: Convert to fraction form
    18,894.04/28,467.13 = 17,117.32/x
  3. Step 3: Cross multiply
    18,894.04x = 28,467.13 × 17,117.32
  4. Step 4: Simplify right side
    18,894.04x = 487,280,973.69
  5. Step 5: Solve for x
    x = 487,280,973.69/18,894.04
  6. Step 6: Final answer
    x = 25,790.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.