Home / 14,315.76-21,472.68-4,953.84

Finding the Fourth Proportional to 14,315.76, 21,472.68 and 4,953.84

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Solution

The fourth proportional to 14,315.76, 21,472.68 and 4,953.84 is: 7,430.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,315.76 : 21,472.68 = 4,953.84 : x
  2. Step 2: Convert to fraction form
    14,315.76/21,472.68 = 4,953.84/x
  3. Step 3: Cross multiply
    14,315.76x = 21,472.68 × 4,953.84
  4. Step 4: Simplify right side
    14,315.76x = 106,372,221.09
  5. Step 5: Solve for x
    x = 106,372,221.09/14,315.76
  6. Step 6: Final answer
    x = 7,430.43

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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.