Home / 19,842.85-29,760.84-5,612.32

Finding the Fourth Proportional to 19,842.85, 29,760.84 and 5,612.32

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Solution

The fourth proportional to 19,842.85, 29,760.84 and 5,612.32 is: 8,417.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,842.85 : 29,760.84 = 5,612.32 : x
  2. Step 2: Convert to fraction form
    19,842.85/29,760.84 = 5,612.32/x
  3. Step 3: Cross multiply
    19,842.85x = 29,760.84 × 5,612.32
  4. Step 4: Simplify right side
    19,842.85x = 167,027,357.55
  5. Step 5: Solve for x
    x = 167,027,357.55/19,842.85
  6. Step 6: Final answer
    x = 8,417.51

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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.