Home / 19,066.77-28,561.11-8,920.58

Finding the Fourth Proportional to 19,066.77, 28,561.11 and 8,920.58

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Solution

The fourth proportional to 19,066.77, 28,561.11 and 8,920.58 is: 13,362.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,066.77 : 28,561.11 = 8,920.58 : x
  2. Step 2: Convert to fraction form
    19,066.77/28,561.11 = 8,920.58/x
  3. Step 3: Cross multiply
    19,066.77x = 28,561.11 × 8,920.58
  4. Step 4: Simplify right side
    19,066.77x = 254,781,523.84
  5. Step 5: Solve for x
    x = 254,781,523.84/19,066.77
  6. Step 6: Final answer
    x = 13,362.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.