Home / 14,412.43-21,579.56-7,472.35

Finding the Fourth Proportional to 14,412.43, 21,579.56 and 7,472.35

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Solution

The fourth proportional to 14,412.43, 21,579.56 and 7,472.35 is: 11,188.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,412.43 : 21,579.56 = 7,472.35 : x
  2. Step 2: Convert to fraction form
    14,412.43/21,579.56 = 7,472.35/x
  3. Step 3: Cross multiply
    14,412.43x = 21,579.56 × 7,472.35
  4. Step 4: Simplify right side
    14,412.43x = 161,249,879.91
  5. Step 5: Solve for x
    x = 161,249,879.91/14,412.43
  6. Step 6: Final answer
    x = 11,188.25

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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.