Home / 14,015.88-21,032.96-12,164.22

Finding the Fourth Proportional to 14,015.88, 21,032.96 and 12,164.22

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Solution

The fourth proportional to 14,015.88, 21,032.96 and 12,164.22 is: 18,254.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,015.88 : 21,032.96 = 12,164.22 : x
  2. Step 2: Convert to fraction form
    14,015.88/21,032.96 = 12,164.22/x
  3. Step 3: Cross multiply
    14,015.88x = 21,032.96 × 12,164.22
  4. Step 4: Simplify right side
    14,015.88x = 255,849,491.87
  5. Step 5: Solve for x
    x = 255,849,491.87/14,015.88
  6. Step 6: Final answer
    x = 18,254.26

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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.