Home / 13,472.26-18,591.55-7,503.92

Finding the Fourth Proportional to 13,472.26, 18,591.55 and 7,503.92

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Solution

The fourth proportional to 13,472.26, 18,591.55 and 7,503.92 is: 10,355.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,472.26 : 18,591.55 = 7,503.92 : x
  2. Step 2: Convert to fraction form
    13,472.26/18,591.55 = 7,503.92/x
  3. Step 3: Cross multiply
    13,472.26x = 18,591.55 × 7,503.92
  4. Step 4: Simplify right side
    13,472.26x = 139,509,430.69
  5. Step 5: Solve for x
    x = 139,509,430.69/13,472.26
  6. Step 6: Final answer
    x = 10,355.31

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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.