Home / 25,262.64-34,865.55-15,196.32

Finding the Fourth Proportional to 25,262.64, 34,865.55 and 15,196.32

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Solution

The fourth proportional to 25,262.64, 34,865.55 and 15,196.32 is: 20,972.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,262.64 : 34,865.55 = 15,196.32 : x
  2. Step 2: Convert to fraction form
    25,262.64/34,865.55 = 15,196.32/x
  3. Step 3: Cross multiply
    25,262.64x = 34,865.55 × 15,196.32
  4. Step 4: Simplify right side
    25,262.64x = 529,828,054.78
  5. Step 5: Solve for x
    x = 529,828,054.78/25,262.64
  6. Step 6: Final answer
    x = 20,972.79

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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.