Home / 13,084.74-19,620.50-4,316.76

Finding the Fourth Proportional to 13,084.74, 19,620.50 and 4,316.76

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Solution

The fourth proportional to 13,084.74, 19,620.50 and 4,316.76 is: 6,472.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,084.74 : 19,620.50 = 4,316.76 : x
  2. Step 2: Convert to fraction form
    13,084.74/19,620.50 = 4,316.76/x
  3. Step 3: Cross multiply
    13,084.74x = 19,620.50 × 4,316.76
  4. Step 4: Simplify right side
    13,084.74x = 84,696,968.00
  5. Step 5: Solve for x
    x = 84,696,968.00/13,084.74
  6. Step 6: Final answer
    x = 6,472.96

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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.