Home / 20,245.57-27,973.15-14,569.09

Finding the Fourth Proportional to 20,245.57, 27,973.15 and 14,569.09

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Solution

The fourth proportional to 20,245.57, 27,973.15 and 14,569.09 is: 20,130.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,245.57 : 27,973.15 = 14,569.09 : x
  2. Step 2: Convert to fraction form
    20,245.57/27,973.15 = 14,569.09/x
  3. Step 3: Cross multiply
    20,245.57x = 27,973.15 × 14,569.09
  4. Step 4: Simplify right side
    20,245.57x = 407,543,233.58
  5. Step 5: Solve for x
    x = 407,543,233.58/20,245.57
  6. Step 6: Final answer
    x = 20,130.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.