Home / 13,319.92-19,966.50-4,548.82

Finding the Fourth Proportional to 13,319.92, 19,966.50 and 4,548.82

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Solution

The fourth proportional to 13,319.92, 19,966.50 and 4,548.82 is: 6,818.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,319.92 : 19,966.50 = 4,548.82 : x
  2. Step 2: Convert to fraction form
    13,319.92/19,966.50 = 4,548.82/x
  3. Step 3: Cross multiply
    13,319.92x = 19,966.50 × 4,548.82
  4. Step 4: Simplify right side
    13,319.92x = 90,824,014.53
  5. Step 5: Solve for x
    x = 90,824,014.53/13,319.92
  6. Step 6: Final answer
    x = 6,818.66

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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.