Home / 56,143.72-84,191.55-18,693.64

Finding the Fourth Proportional to 56,143.72, 84,191.55 and 18,693.64

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Solution

The fourth proportional to 56,143.72, 84,191.55 and 18,693.64 is: 28,032.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,143.72 : 84,191.55 = 18,693.64 : x
  2. Step 2: Convert to fraction form
    56,143.72/84,191.55 = 18,693.64/x
  3. Step 3: Cross multiply
    56,143.72x = 84,191.55 × 18,693.64
  4. Step 4: Simplify right side
    56,143.72x = 1,573,846,526.74
  5. Step 5: Solve for x
    x = 1,573,846,526.74/56,143.72
  6. Step 6: Final answer
    x = 28,032.46

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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.