Home / 14,009.52-21,017.35-4,149.56

Finding the Fourth Proportional to 14,009.52, 21,017.35 and 4,149.56

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Solution

The fourth proportional to 14,009.52, 21,017.35 and 4,149.56 is: 6,225.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,009.52 : 21,017.35 = 4,149.56 : x
  2. Step 2: Convert to fraction form
    14,009.52/21,017.35 = 4,149.56/x
  3. Step 3: Cross multiply
    14,009.52x = 21,017.35 × 4,149.56
  4. Step 4: Simplify right side
    14,009.52x = 87,212,754.87
  5. Step 5: Solve for x
    x = 87,212,754.87/14,009.52
  6. Step 6: Final answer
    x = 6,225.25

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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.