Home / 25,785.02-38,668.56-12,274.52

Finding the Fourth Proportional to 25,785.02, 38,668.56 and 12,274.52

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Solution

The fourth proportional to 25,785.02, 38,668.56 and 12,274.52 is: 18,407.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,785.02 : 38,668.56 = 12,274.52 : x
  2. Step 2: Convert to fraction form
    25,785.02/38,668.56 = 12,274.52/x
  3. Step 3: Cross multiply
    25,785.02x = 38,668.56 × 12,274.52
  4. Step 4: Simplify right side
    25,785.02x = 474,637,819.75
  5. Step 5: Solve for x
    x = 474,637,819.75/25,785.02
  6. Step 6: Final answer
    x = 18,407.51

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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.