Home / 16,973.96-23,424.12-9,420.03

Finding the Fourth Proportional to 16,973.96, 23,424.12 and 9,420.03

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Solution

The fourth proportional to 16,973.96, 23,424.12 and 9,420.03 is: 12,999.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,973.96 : 23,424.12 = 9,420.03 : x
  2. Step 2: Convert to fraction form
    16,973.96/23,424.12 = 9,420.03/x
  3. Step 3: Cross multiply
    16,973.96x = 23,424.12 × 9,420.03
  4. Step 4: Simplify right side
    16,973.96x = 220,655,913.12
  5. Step 5: Solve for x
    x = 220,655,913.12/16,973.96
  6. Step 6: Final answer
    x = 12,999.68

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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.