Home / 14,332.72-21,505.24-7,412.08

Finding the Fourth Proportional to 14,332.72, 21,505.24 and 7,412.08

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Solution

The fourth proportional to 14,332.72, 21,505.24 and 7,412.08 is: 11,121.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,332.72 : 21,505.24 = 7,412.08 : x
  2. Step 2: Convert to fraction form
    14,332.72/21,505.24 = 7,412.08/x
  3. Step 3: Cross multiply
    14,332.72x = 21,505.24 × 7,412.08
  4. Step 4: Simplify right side
    14,332.72x = 159,398,559.30
  5. Step 5: Solve for x
    x = 159,398,559.30/14,332.72
  6. Step 6: Final answer
    x = 11,121.31

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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.