Home / 28,652.12-42,915.89-17,525.15

Finding the Fourth Proportional to 28,652.12, 42,915.89 and 17,525.15

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Solution

The fourth proportional to 28,652.12, 42,915.89 and 17,525.15 is: 26,249.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,652.12 : 42,915.89 = 17,525.15 : x
  2. Step 2: Convert to fraction form
    28,652.12/42,915.89 = 17,525.15/x
  3. Step 3: Cross multiply
    28,652.12x = 42,915.89 × 17,525.15
  4. Step 4: Simplify right side
    28,652.12x = 752,107,409.63
  5. Step 5: Solve for x
    x = 752,107,409.63/28,652.12
  6. Step 6: Final answer
    x = 26,249.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.