Home / 14,008.47-21,012.72-8,094.36

Finding the Fourth Proportional to 14,008.47, 21,012.72 and 8,094.36

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Solution

The fourth proportional to 14,008.47, 21,012.72 and 8,094.36 is: 12,141.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,008.47 : 21,012.72 = 8,094.36 : x
  2. Step 2: Convert to fraction form
    14,008.47/21,012.72 = 8,094.36/x
  3. Step 3: Cross multiply
    14,008.47x = 21,012.72 × 8,094.36
  4. Step 4: Simplify right side
    14,008.47x = 170,084,520.26
  5. Step 5: Solve for x
    x = 170,084,520.26/14,008.47
  6. Step 6: Final answer
    x = 12,141.55

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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.