Home / 33,069.04-45,643.14-18,930.04

Finding the Fourth Proportional to 33,069.04, 45,643.14 and 18,930.04

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Solution

The fourth proportional to 33,069.04, 45,643.14 and 18,930.04 is: 26,127.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,069.04 : 45,643.14 = 18,930.04 : x
  2. Step 2: Convert to fraction form
    33,069.04/45,643.14 = 18,930.04/x
  3. Step 3: Cross multiply
    33,069.04x = 45,643.14 × 18,930.04
  4. Step 4: Simplify right side
    33,069.04x = 864,026,465.93
  5. Step 5: Solve for x
    x = 864,026,465.93/33,069.04
  6. Step 6: Final answer
    x = 26,127.96

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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.