Home / 19,471.48-29,210.03-6,139.95

Finding the Fourth Proportional to 19,471.48, 29,210.03 and 6,139.95

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Solution

The fourth proportional to 19,471.48, 29,210.03 and 6,139.95 is: 9,210.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,471.48 : 29,210.03 = 6,139.95 : x
  2. Step 2: Convert to fraction form
    19,471.48/29,210.03 = 6,139.95/x
  3. Step 3: Cross multiply
    19,471.48x = 29,210.03 × 6,139.95
  4. Step 4: Simplify right side
    19,471.48x = 179,347,977.65
  5. Step 5: Solve for x
    x = 179,347,977.65/19,471.48
  6. Step 6: Final answer
    x = 9,210.81

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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.