Home / 13,669.98-20,507.70-4,905.58

Finding the Fourth Proportional to 13,669.98, 20,507.70 and 4,905.58

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Solution

The fourth proportional to 13,669.98, 20,507.70 and 4,905.58 is: 7,359.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,669.98 : 20,507.70 = 4,905.58 : x
  2. Step 2: Convert to fraction form
    13,669.98/20,507.70 = 4,905.58/x
  3. Step 3: Cross multiply
    13,669.98x = 20,507.70 × 4,905.58
  4. Step 4: Simplify right side
    13,669.98x = 100,602,162.97
  5. Step 5: Solve for x
    x = 100,602,162.97/13,669.98
  6. Step 6: Final answer
    x = 7,359.35

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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.