Home / 14,903.98-20,553.39-9,790.46

Finding the Fourth Proportional to 14,903.98, 20,553.39 and 9,790.46

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Solution

The fourth proportional to 14,903.98, 20,553.39 and 9,790.46 is: 13,501.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,903.98 : 20,553.39 = 9,790.46 : x
  2. Step 2: Convert to fraction form
    14,903.98/20,553.39 = 9,790.46/x
  3. Step 3: Cross multiply
    14,903.98x = 20,553.39 × 9,790.46
  4. Step 4: Simplify right side
    14,903.98x = 201,227,169.57
  5. Step 5: Solve for x
    x = 201,227,169.57/14,903.98
  6. Step 6: Final answer
    x = 13,501.58

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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.