Home / 14,175.04-21,256.16-4,315.52

Finding the Fourth Proportional to 14,175.04, 21,256.16 and 4,315.52

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Solution

The fourth proportional to 14,175.04, 21,256.16 and 4,315.52 is: 6,471.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,175.04 : 21,256.16 = 4,315.52 : x
  2. Step 2: Convert to fraction form
    14,175.04/21,256.16 = 4,315.52/x
  3. Step 3: Cross multiply
    14,175.04x = 21,256.16 × 4,315.52
  4. Step 4: Simplify right side
    14,175.04x = 91,731,383.60
  5. Step 5: Solve for x
    x = 91,731,383.60/14,175.04
  6. Step 6: Final answer
    x = 6,471.33

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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.