Home / 13,533.90-18,676.32-9,506.56

Finding the Fourth Proportional to 13,533.90, 18,676.32 and 9,506.56

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Solution

The fourth proportional to 13,533.90, 18,676.32 and 9,506.56 is: 13,118.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,533.90 : 18,676.32 = 9,506.56 : x
  2. Step 2: Convert to fraction form
    13,533.90/18,676.32 = 9,506.56/x
  3. Step 3: Cross multiply
    13,533.90x = 18,676.32 × 9,506.56
  4. Step 4: Simplify right side
    13,533.90x = 177,547,463.28
  5. Step 5: Solve for x
    x = 177,547,463.28/13,533.90
  6. Step 6: Final answer
    x = 13,118.73

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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.