Home / 13,056.96-18,020.16-7,754.70

Finding the Fourth Proportional to 13,056.96, 18,020.16 and 7,754.70

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Solution

The fourth proportional to 13,056.96, 18,020.16 and 7,754.70 is: 10,702.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,056.96 : 18,020.16 = 7,754.70 : x
  2. Step 2: Convert to fraction form
    13,056.96/18,020.16 = 7,754.70/x
  3. Step 3: Cross multiply
    13,056.96x = 18,020.16 × 7,754.70
  4. Step 4: Simplify right side
    13,056.96x = 139,740,934.75
  5. Step 5: Solve for x
    x = 139,740,934.75/13,056.96
  6. Step 6: Final answer
    x = 10,702.41

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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.