Home / 25,765.36-35,556.76-14,435.68

Finding the Fourth Proportional to 25,765.36, 35,556.76 and 14,435.68

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Solution

The fourth proportional to 25,765.36, 35,556.76 and 14,435.68 is: 19,921.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,765.36 : 35,556.76 = 14,435.68 : x
  2. Step 2: Convert to fraction form
    25,765.36/35,556.76 = 14,435.68/x
  3. Step 3: Cross multiply
    25,765.36x = 35,556.76 × 14,435.68
  4. Step 4: Simplify right side
    25,765.36x = 513,286,009.20
  5. Step 5: Solve for x
    x = 513,286,009.20/25,765.36
  6. Step 6: Final answer
    x = 19,921.55

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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.