Home / 14,062.40-21,069.30-6,650.90

Finding the Fourth Proportional to 14,062.40, 21,069.30 and 6,650.90

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Solution

The fourth proportional to 14,062.40, 21,069.30 and 6,650.90 is: 9,964.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,062.40 : 21,069.30 = 6,650.90 : x
  2. Step 2: Convert to fraction form
    14,062.40/21,069.30 = 6,650.90/x
  3. Step 3: Cross multiply
    14,062.40x = 21,069.30 × 6,650.90
  4. Step 4: Simplify right side
    14,062.40x = 140,129,807.37
  5. Step 5: Solve for x
    x = 140,129,807.37/14,062.40
  6. Step 6: Final answer
    x = 9,964.86

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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.