Home / 25,883.30-38,786.38-13,386.63

Finding the Fourth Proportional to 25,883.30, 38,786.38 and 13,386.63

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Solution

The fourth proportional to 25,883.30, 38,786.38 and 13,386.63 is: 20,060.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,883.30 : 38,786.38 = 13,386.63 : x
  2. Step 2: Convert to fraction form
    25,883.30/38,786.38 = 13,386.63/x
  3. Step 3: Cross multiply
    25,883.30x = 38,786.38 × 13,386.63
  4. Step 4: Simplify right side
    25,883.30x = 519,218,884.63
  5. Step 5: Solve for x
    x = 519,218,884.63/25,883.30
  6. Step 6: Final answer
    x = 20,060.00

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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.