Home / 14,130.61-19,500.60-7,997.83

Finding the Fourth Proportional to 14,130.61, 19,500.60 and 7,997.83

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Solution

The fourth proportional to 14,130.61, 19,500.60 and 7,997.83 is: 11,037.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,130.61 : 19,500.60 = 7,997.83 : x
  2. Step 2: Convert to fraction form
    14,130.61/19,500.60 = 7,997.83/x
  3. Step 3: Cross multiply
    14,130.61x = 19,500.60 × 7,997.83
  4. Step 4: Simplify right side
    14,130.61x = 155,962,483.70
  5. Step 5: Solve for x
    x = 155,962,483.70/14,130.61
  6. Step 6: Final answer
    x = 11,037.21

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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.