Home / 14,619.02-20,172.76-8,649.52

Finding the Fourth Proportional to 14,619.02, 20,172.76 and 8,649.52

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Solution

The fourth proportional to 14,619.02, 20,172.76 and 8,649.52 is: 11,935.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,619.02 : 20,172.76 = 8,649.52 : x
  2. Step 2: Convert to fraction form
    14,619.02/20,172.76 = 8,649.52/x
  3. Step 3: Cross multiply
    14,619.02x = 20,172.76 × 8,649.52
  4. Step 4: Simplify right side
    14,619.02x = 174,484,691.08
  5. Step 5: Solve for x
    x = 174,484,691.08/14,619.02
  6. Step 6: Final answer
    x = 11,935.46

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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.