Home / 25,575.45-35,295.90-15,504.32

Finding the Fourth Proportional to 25,575.45, 35,295.90 and 15,504.32

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Solution

The fourth proportional to 25,575.45, 35,295.90 and 15,504.32 is: 21,397.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,575.45 : 35,295.90 = 15,504.32 : x
  2. Step 2: Convert to fraction form
    25,575.45/35,295.90 = 15,504.32/x
  3. Step 3: Cross multiply
    25,575.45x = 35,295.90 × 15,504.32
  4. Step 4: Simplify right side
    25,575.45x = 547,238,699.31
  5. Step 5: Solve for x
    x = 547,238,699.31/25,575.45
  6. Step 6: Final answer
    x = 21,397.03

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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.