Home / 38,453.99-57,680.63-12,158.74

Finding the Fourth Proportional to 38,453.99, 57,680.63 and 12,158.74

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Solution

The fourth proportional to 38,453.99, 57,680.63 and 12,158.74 is: 18,238.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,453.99 : 57,680.63 = 12,158.74 : x
  2. Step 2: Convert to fraction form
    38,453.99/57,680.63 = 12,158.74/x
  3. Step 3: Cross multiply
    38,453.99x = 57,680.63 × 12,158.74
  4. Step 4: Simplify right side
    38,453.99x = 701,323,783.21
  5. Step 5: Solve for x
    x = 701,323,783.21/38,453.99
  6. Step 6: Final answer
    x = 18,238.00

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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.