Home / 14,471.95-21,577.88-13,236.28

Finding the Fourth Proportional to 14,471.95, 21,577.88 and 13,236.28

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Solution

The fourth proportional to 14,471.95, 21,577.88 and 13,236.28 is: 19,735.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,471.95 : 21,577.88 = 13,236.28 : x
  2. Step 2: Convert to fraction form
    14,471.95/21,577.88 = 13,236.28/x
  3. Step 3: Cross multiply
    14,471.95x = 21,577.88 × 13,236.28
  4. Step 4: Simplify right side
    14,471.95x = 285,610,861.49
  5. Step 5: Solve for x
    x = 285,610,861.49/14,471.95
  6. Step 6: Final answer
    x = 19,735.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.