Home / 13,299.41-19,955.18-4,980.07

Finding the Fourth Proportional to 13,299.41, 19,955.18 and 4,980.07

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Solution

The fourth proportional to 13,299.41, 19,955.18 and 4,980.07 is: 7,472.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,299.41 : 19,955.18 = 4,980.07 : x
  2. Step 2: Convert to fraction form
    13,299.41/19,955.18 = 4,980.07/x
  3. Step 3: Cross multiply
    13,299.41x = 19,955.18 × 4,980.07
  4. Step 4: Simplify right side
    13,299.41x = 99,378,193.26
  5. Step 5: Solve for x
    x = 99,378,193.26/13,299.41
  6. Step 6: Final answer
    x = 7,472.38

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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.