Home / 19,612.96-29,410.19-7,124.18

Finding the Fourth Proportional to 19,612.96, 29,410.19 and 7,124.18

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Solution

The fourth proportional to 19,612.96, 29,410.19 and 7,124.18 is: 10,682.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,612.96 : 29,410.19 = 7,124.18 : x
  2. Step 2: Convert to fraction form
    19,612.96/29,410.19 = 7,124.18/x
  3. Step 3: Cross multiply
    19,612.96x = 29,410.19 × 7,124.18
  4. Step 4: Simplify right side
    19,612.96x = 209,523,340.34
  5. Step 5: Solve for x
    x = 209,523,340.34/19,612.96
  6. Step 6: Final answer
    x = 10,682.91

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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.