Home / 19,472.10-29,173.59-13,285.86

Finding the Fourth Proportional to 19,472.10, 29,173.59 and 13,285.86

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Solution

The fourth proportional to 19,472.10, 29,173.59 and 13,285.86 is: 19,905.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,472.10 : 29,173.59 = 13,285.86 : x
  2. Step 2: Convert to fraction form
    19,472.10/29,173.59 = 13,285.86/x
  3. Step 3: Cross multiply
    19,472.10x = 29,173.59 × 13,285.86
  4. Step 4: Simplify right side
    19,472.10x = 387,596,232.44
  5. Step 5: Solve for x
    x = 387,596,232.44/19,472.10
  6. Step 6: Final answer
    x = 19,905.21

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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.