Home / 14,453.76-19,948.02-8,166

Finding the Fourth Proportional to 14,453.76, 19,948.02 and 8,166

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Solution

The fourth proportional to 14,453.76, 19,948.02 and 8,166 is: 11,270.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,453.76 : 19,948.02 = 8,166 : x
  2. Step 2: Convert to fraction form
    14,453.76/19,948.02 = 8,166/x
  3. Step 3: Cross multiply
    14,453.76x = 19,948.02 × 8,166
  4. Step 4: Simplify right side
    14,453.76x = 162,895,531.32
  5. Step 5: Solve for x
    x = 162,895,531.32/14,453.76
  6. Step 6: Final answer
    x = 11,270.11

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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.