Home / 25,774.21-35,567.78-15,164.51

Finding the Fourth Proportional to 25,774.21, 35,567.78 and 15,164.51

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Solution

The fourth proportional to 25,774.21, 35,567.78 and 15,164.51 is: 20,926.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,774.21 : 35,567.78 = 15,164.51 : x
  2. Step 2: Convert to fraction form
    25,774.21/35,567.78 = 15,164.51/x
  3. Step 3: Cross multiply
    25,774.21x = 35,567.78 × 15,164.51
  4. Step 4: Simplify right side
    25,774.21x = 539,367,955.49
  5. Step 5: Solve for x
    x = 539,367,955.49/25,774.21
  6. Step 6: Final answer
    x = 20,926.65

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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.