Home / 14,050.72-21,077.16-5,285.44

Finding the Fourth Proportional to 14,050.72, 21,077.16 and 5,285.44

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Solution

The fourth proportional to 14,050.72, 21,077.16 and 5,285.44 is: 7,928.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,050.72 : 21,077.16 = 5,285.44 : x
  2. Step 2: Convert to fraction form
    14,050.72/21,077.16 = 5,285.44/x
  3. Step 3: Cross multiply
    14,050.72x = 21,077.16 × 5,285.44
  4. Step 4: Simplify right side
    14,050.72x = 111,402,064.55
  5. Step 5: Solve for x
    x = 111,402,064.55/14,050.72
  6. Step 6: Final answer
    x = 7,928.57

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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.