Home / 13,535.92-18,677.34-7,567.81

Finding the Fourth Proportional to 13,535.92, 18,677.34 and 7,567.81

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Solution

The fourth proportional to 13,535.92, 18,677.34 and 7,567.81 is: 10,442.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,535.92 : 18,677.34 = 7,567.81 : x
  2. Step 2: Convert to fraction form
    13,535.92/18,677.34 = 7,567.81/x
  3. Step 3: Cross multiply
    13,535.92x = 18,677.34 × 7,567.81
  4. Step 4: Simplify right side
    13,535.92x = 141,346,513.73
  5. Step 5: Solve for x
    x = 141,346,513.73/13,535.92
  6. Step 6: Final answer
    x = 10,442.33

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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.