Home / 25,397.20-35,010.84-17,820.64

Finding the Fourth Proportional to 25,397.20, 35,010.84 and 17,820.64

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Solution

The fourth proportional to 25,397.20, 35,010.84 and 17,820.64 is: 24,566.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,397.20 : 35,010.84 = 17,820.64 : x
  2. Step 2: Convert to fraction form
    25,397.20/35,010.84 = 17,820.64/x
  3. Step 3: Cross multiply
    25,397.20x = 35,010.84 × 17,820.64
  4. Step 4: Simplify right side
    25,397.20x = 623,915,575.74
  5. Step 5: Solve for x
    x = 623,915,575.74/25,397.20
  6. Step 6: Final answer
    x = 24,566.31

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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.