Home / 13,533.87-18,676.66-7,565.52

Finding the Fourth Proportional to 13,533.87, 18,676.66 and 7,565.52

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Solution

The fourth proportional to 13,533.87, 18,676.66 and 7,565.52 is: 10,440.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,533.87 : 18,676.66 = 7,565.52 : x
  2. Step 2: Convert to fraction form
    13,533.87/18,676.66 = 7,565.52/x
  3. Step 3: Cross multiply
    13,533.87x = 18,676.66 × 7,565.52
  4. Step 4: Simplify right side
    13,533.87x = 141,298,606.94
  5. Step 5: Solve for x
    x = 141,298,606.94/13,533.87
  6. Step 6: Final answer
    x = 10,440.37

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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.