Home / 14,501.72-20,005.74-8,533.88

Finding the Fourth Proportional to 14,501.72, 20,005.74 and 8,533.88

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Solution

The fourth proportional to 14,501.72, 20,005.74 and 8,533.88 is: 11,772.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,501.72 : 20,005.74 = 8,533.88 : x
  2. Step 2: Convert to fraction form
    14,501.72/20,005.74 = 8,533.88/x
  3. Step 3: Cross multiply
    14,501.72x = 20,005.74 × 8,533.88
  4. Step 4: Simplify right side
    14,501.72x = 170,726,584.47
  5. Step 5: Solve for x
    x = 170,726,584.47/14,501.72
  6. Step 6: Final answer
    x = 11,772.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.