Home / 38,178.33-57,246.98-13,210.99

Finding the Fourth Proportional to 38,178.33, 57,246.98 and 13,210.99

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Solution

The fourth proportional to 38,178.33, 57,246.98 and 13,210.99 is: 19,809.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,178.33 : 57,246.98 = 13,210.99 : x
  2. Step 2: Convert to fraction form
    38,178.33/57,246.98 = 13,210.99/x
  3. Step 3: Cross multiply
    38,178.33x = 57,246.98 × 13,210.99
  4. Step 4: Simplify right side
    38,178.33x = 756,289,280.31
  5. Step 5: Solve for x
    x = 756,289,280.31/38,178.33
  6. Step 6: Final answer
    x = 19,809.39

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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.