Home / 25,145.03-34,716.40-15,595.07

Finding the Fourth Proportional to 25,145.03, 34,716.40 and 15,595.07

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Solution

The fourth proportional to 25,145.03, 34,716.40 and 15,595.07 is: 21,531.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,145.03 : 34,716.40 = 15,595.07 : x
  2. Step 2: Convert to fraction form
    25,145.03/34,716.40 = 15,595.07/x
  3. Step 3: Cross multiply
    25,145.03x = 34,716.40 × 15,595.07
  4. Step 4: Simplify right side
    25,145.03x = 541,404,475.58
  5. Step 5: Solve for x
    x = 541,404,475.58/25,145.03
  6. Step 6: Final answer
    x = 21,531.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.