Home / 38,246.99-57,378.58-11,953.71

Finding the Fourth Proportional to 38,246.99, 57,378.58 and 11,953.71

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Solution

The fourth proportional to 38,246.99, 57,378.58 and 11,953.71 is: 17,933.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,246.99 : 57,378.58 = 11,953.71 : x
  2. Step 2: Convert to fraction form
    38,246.99/57,378.58 = 11,953.71/x
  3. Step 3: Cross multiply
    38,246.99x = 57,378.58 × 11,953.71
  4. Step 4: Simplify right side
    38,246.99x = 685,886,875.65
  5. Step 5: Solve for x
    x = 685,886,875.65/38,246.99
  6. Step 6: Final answer
    x = 17,933.10

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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.