Home / 14,645.36-21,972.10-4,785.24

Finding the Fourth Proportional to 14,645.36, 21,972.10 and 4,785.24

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Solution

The fourth proportional to 14,645.36, 21,972.10 and 4,785.24 is: 7,179.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,645.36 : 21,972.10 = 4,785.24 : x
  2. Step 2: Convert to fraction form
    14,645.36/21,972.10 = 4,785.24/x
  3. Step 3: Cross multiply
    14,645.36x = 21,972.10 × 4,785.24
  4. Step 4: Simplify right side
    14,645.36x = 105,141,771.80
  5. Step 5: Solve for x
    x = 105,141,771.80/14,645.36
  6. Step 6: Final answer
    x = 7,179.19

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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.