Home / 25,708.05-35,484.89-15,645.42

Finding the Fourth Proportional to 25,708.05, 35,484.89 and 15,645.42

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Solution

The fourth proportional to 25,708.05, 35,484.89 and 15,645.42 is: 21,595.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,708.05 : 35,484.89 = 15,645.42 : x
  2. Step 2: Convert to fraction form
    25,708.05/35,484.89 = 15,645.42/x
  3. Step 3: Cross multiply
    25,708.05x = 35,484.89 × 15,645.42
  4. Step 4: Simplify right side
    25,708.05x = 555,175,929.48
  5. Step 5: Solve for x
    x = 555,175,929.48/25,708.05
  6. Step 6: Final answer
    x = 21,595.41

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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.