Home / 17,875.80-24,612.53-15,181.43

Finding the Fourth Proportional to 17,875.80, 24,612.53 and 15,181.43

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Solution

The fourth proportional to 17,875.80, 24,612.53 and 15,181.43 is: 20,902.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,875.80 : 24,612.53 = 15,181.43 : x
  2. Step 2: Convert to fraction form
    17,875.80/24,612.53 = 15,181.43/x
  3. Step 3: Cross multiply
    17,875.80x = 24,612.53 × 15,181.43
  4. Step 4: Simplify right side
    17,875.80x = 373,653,202.35
  5. Step 5: Solve for x
    x = 373,653,202.35/17,875.80
  6. Step 6: Final answer
    x = 20,902.74

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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.