Home / 14,008.02-21,015.35-4,012.90

Finding the Fourth Proportional to 14,008.02, 21,015.35 and 4,012.90

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Solution

The fourth proportional to 14,008.02, 21,015.35 and 4,012.90 is: 6,020.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,008.02 : 21,015.35 = 4,012.90 : x
  2. Step 2: Convert to fraction form
    14,008.02/21,015.35 = 4,012.90/x
  3. Step 3: Cross multiply
    14,008.02x = 21,015.35 × 4,012.90
  4. Step 4: Simplify right side
    14,008.02x = 84,332,498.02
  5. Step 5: Solve for x
    x = 84,332,498.02/14,008.02
  6. Step 6: Final answer
    x = 6,020.30

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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.