Home / 19,210.10-28,785.99-9,346.73

Finding the Fourth Proportional to 19,210.10, 28,785.99 and 9,346.73

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Solution

The fourth proportional to 19,210.10, 28,785.99 and 9,346.73 is: 14,005.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,210.10 : 28,785.99 = 9,346.73 : x
  2. Step 2: Convert to fraction form
    19,210.10/28,785.99 = 9,346.73/x
  3. Step 3: Cross multiply
    19,210.10x = 28,785.99 × 9,346.73
  4. Step 4: Simplify right side
    19,210.10x = 269,054,876.31
  5. Step 5: Solve for x
    x = 269,054,876.31/19,210.10
  6. Step 6: Final answer
    x = 14,005.91

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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.