Home / 19,018.08-28,529.85-5,871.47

Finding the Fourth Proportional to 19,018.08, 28,529.85 and 5,871.47

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Solution

The fourth proportional to 19,018.08, 28,529.85 and 5,871.47 is: 8,808.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,018.08 : 28,529.85 = 5,871.47 : x
  2. Step 2: Convert to fraction form
    19,018.08/28,529.85 = 5,871.47/x
  3. Step 3: Cross multiply
    19,018.08x = 28,529.85 × 5,871.47
  4. Step 4: Simplify right side
    19,018.08x = 167,512,015.73
  5. Step 5: Solve for x
    x = 167,512,015.73/19,018.08
  6. Step 6: Final answer
    x = 8,808.04

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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.