Home / 25,673.20-38,440.26-13,335.28

Finding the Fourth Proportional to 25,673.20, 38,440.26 and 13,335.28

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Solution

The fourth proportional to 25,673.20, 38,440.26 and 13,335.28 is: 19,966.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,673.20 : 38,440.26 = 13,335.28 : x
  2. Step 2: Convert to fraction form
    25,673.20/38,440.26 = 13,335.28/x
  3. Step 3: Cross multiply
    25,673.20x = 38,440.26 × 13,335.28
  4. Step 4: Simplify right side
    25,673.20x = 512,611,630.37
  5. Step 5: Solve for x
    x = 512,611,630.37/25,673.20
  6. Step 6: Final answer
    x = 19,966.80

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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.