Home / 20,281.55-27,973.10-17,453.68

Finding the Fourth Proportional to 20,281.55, 27,973.10 and 17,453.68

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Solution

The fourth proportional to 20,281.55, 27,973.10 and 17,453.68 is: 24,072.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,281.55 : 27,973.10 = 17,453.68 : x
  2. Step 2: Convert to fraction form
    20,281.55/27,973.10 = 17,453.68/x
  3. Step 3: Cross multiply
    20,281.55x = 27,973.10 × 17,453.68
  4. Step 4: Simplify right side
    20,281.55x = 488,233,509.71
  5. Step 5: Solve for x
    x = 488,233,509.71/20,281.55
  6. Step 6: Final answer
    x = 24,072.80

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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.