Home / 19,637.20-29,383.80-14,453.20

Finding the Fourth Proportional to 19,637.20, 29,383.80 and 14,453.20

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Solution

The fourth proportional to 19,637.20, 29,383.80 and 14,453.20 is: 21,626.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,637.20 : 29,383.80 = 14,453.20 : x
  2. Step 2: Convert to fraction form
    19,637.20/29,383.80 = 14,453.20/x
  3. Step 3: Cross multiply
    19,637.20x = 29,383.80 × 14,453.20
  4. Step 4: Simplify right side
    19,637.20x = 424,689,938.16
  5. Step 5: Solve for x
    x = 424,689,938.16/19,637.20
  6. Step 6: Final answer
    x = 21,626.81

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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.