Home / 14,099.26-19,459.02-8,129.74

Finding the Fourth Proportional to 14,099.26, 19,459.02 and 8,129.74

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Solution

The fourth proportional to 14,099.26, 19,459.02 and 8,129.74 is: 11,220.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,099.26 : 19,459.02 = 8,129.74 : x
  2. Step 2: Convert to fraction form
    14,099.26/19,459.02 = 8,129.74/x
  3. Step 3: Cross multiply
    14,099.26x = 19,459.02 × 8,129.74
  4. Step 4: Simplify right side
    14,099.26x = 158,196,773.25
  5. Step 5: Solve for x
    x = 158,196,773.25/14,099.26
  6. Step 6: Final answer
    x = 11,220.22

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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.