Home / 25,519.76-35,208.54-15,953.12

Finding the Fourth Proportional to 25,519.76, 35,208.54 and 15,953.12

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Solution

The fourth proportional to 25,519.76, 35,208.54 and 15,953.12 is: 22,009.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,519.76 : 35,208.54 = 15,953.12 : x
  2. Step 2: Convert to fraction form
    25,519.76/35,208.54 = 15,953.12/x
  3. Step 3: Cross multiply
    25,519.76x = 35,208.54 × 15,953.12
  4. Step 4: Simplify right side
    25,519.76x = 561,686,063.64
  5. Step 5: Solve for x
    x = 561,686,063.64/25,519.76
  6. Step 6: Final answer
    x = 22,009.85

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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.