Home / 16,420.02-22,662.03-9,250.30

Finding the Fourth Proportional to 16,420.02, 22,662.03 and 9,250.30

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Solution

The fourth proportional to 16,420.02, 22,662.03 and 9,250.30 is: 12,766.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,420.02 : 22,662.03 = 9,250.30 : x
  2. Step 2: Convert to fraction form
    16,420.02/22,662.03 = 9,250.30/x
  3. Step 3: Cross multiply
    16,420.02x = 22,662.03 × 9,250.30
  4. Step 4: Simplify right side
    16,420.02x = 209,630,587.09
  5. Step 5: Solve for x
    x = 209,630,587.09/16,420.02
  6. Step 6: Final answer
    x = 12,766.77

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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.