Home / 13,343.54-19,988.51-6,217.70

Finding the Fourth Proportional to 13,343.54, 19,988.51 and 6,217.70

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Solution

The fourth proportional to 13,343.54, 19,988.51 and 6,217.70 is: 9,314.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,343.54 : 19,988.51 = 6,217.70 : x
  2. Step 2: Convert to fraction form
    13,343.54/19,988.51 = 6,217.70/x
  3. Step 3: Cross multiply
    13,343.54x = 19,988.51 × 6,217.70
  4. Step 4: Simplify right side
    13,343.54x = 124,282,427.60
  5. Step 5: Solve for x
    x = 124,282,427.60/13,343.54
  6. Step 6: Final answer
    x = 9,314.06

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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.