Home / 19,210.23-28,917.18-13,701.69

Finding the Fourth Proportional to 19,210.23, 28,917.18 and 13,701.69

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Solution

The fourth proportional to 19,210.23, 28,917.18 and 13,701.69 is: 20,625.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,210.23 : 28,917.18 = 13,701.69 : x
  2. Step 2: Convert to fraction form
    19,210.23/28,917.18 = 13,701.69/x
  3. Step 3: Cross multiply
    19,210.23x = 28,917.18 × 13,701.69
  4. Step 4: Simplify right side
    19,210.23x = 396,214,236.03
  5. Step 5: Solve for x
    x = 396,214,236.03/19,210.23
  6. Step 6: Final answer
    x = 20,625.17

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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.