Home / 13,439.34-18,533.52-8,060.94

Finding the Fourth Proportional to 13,439.34, 18,533.52 and 8,060.94

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Solution

The fourth proportional to 13,439.34, 18,533.52 and 8,060.94 is: 11,116.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,439.34 : 18,533.52 = 8,060.94 : x
  2. Step 2: Convert to fraction form
    13,439.34/18,533.52 = 8,060.94/x
  3. Step 3: Cross multiply
    13,439.34x = 18,533.52 × 8,060.94
  4. Step 4: Simplify right side
    13,439.34x = 149,397,592.71
  5. Step 5: Solve for x
    x = 149,397,592.71/13,439.34
  6. Step 6: Final answer
    x = 11,116.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.