Home / 14,453.60-21,673.56-6,663.20

Finding the Fourth Proportional to 14,453.60, 21,673.56 and 6,663.20

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Solution

The fourth proportional to 14,453.60, 21,673.56 and 6,663.20 is: 9,991.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,453.60 : 21,673.56 = 6,663.20 : x
  2. Step 2: Convert to fraction form
    14,453.60/21,673.56 = 6,663.20/x
  3. Step 3: Cross multiply
    14,453.60x = 21,673.56 × 6,663.20
  4. Step 4: Simplify right side
    14,453.60x = 144,415,264.99
  5. Step 5: Solve for x
    x = 144,415,264.99/14,453.60
  6. Step 6: Final answer
    x = 9,991.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.