Home / 18,447.60-27,529.26-14,732.40

Finding the Fourth Proportional to 18,447.60, 27,529.26 and 14,732.40

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Solution

The fourth proportional to 18,447.60, 27,529.26 and 14,732.40 is: 21,985.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,447.60 : 27,529.26 = 14,732.40 : x
  2. Step 2: Convert to fraction form
    18,447.60/27,529.26 = 14,732.40/x
  3. Step 3: Cross multiply
    18,447.60x = 27,529.26 × 14,732.40
  4. Step 4: Simplify right side
    18,447.60x = 405,572,070.02
  5. Step 5: Solve for x
    x = 405,572,070.02/18,447.60
  6. Step 6: Final answer
    x = 21,985.09

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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.