Home / 18,555.93-27,792.45-14,383.35

Finding the Fourth Proportional to 18,555.93, 27,792.45 and 14,383.35

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Solution

The fourth proportional to 18,555.93, 27,792.45 and 14,383.35 is: 21,542.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,555.93 : 27,792.45 = 14,383.35 : x
  2. Step 2: Convert to fraction form
    18,555.93/27,792.45 = 14,383.35/x
  3. Step 3: Cross multiply
    18,555.93x = 27,792.45 × 14,383.35
  4. Step 4: Simplify right side
    18,555.93x = 399,748,535.71
  5. Step 5: Solve for x
    x = 399,748,535.71/18,555.93
  6. Step 6: Final answer
    x = 21,542.90

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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.