Home / 13,323.25-18,385.84-7,354.77

Finding the Fourth Proportional to 13,323.25, 18,385.84 and 7,354.77

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Solution

The fourth proportional to 13,323.25, 18,385.84 and 7,354.77 is: 10,149.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,323.25 : 18,385.84 = 7,354.77 : x
  2. Step 2: Convert to fraction form
    13,323.25/18,385.84 = 7,354.77/x
  3. Step 3: Cross multiply
    13,323.25x = 18,385.84 × 7,354.77
  4. Step 4: Simplify right side
    13,323.25x = 135,223,624.46
  5. Step 5: Solve for x
    x = 135,223,624.46/13,323.25
  6. Step 6: Final answer
    x = 10,149.45

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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.