Home / 13,335.06-18,402.30-7,366.62

Finding the Fourth Proportional to 13,335.06, 18,402.30 and 7,366.62

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Solution

The fourth proportional to 13,335.06, 18,402.30 and 7,366.62 is: 10,165.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,335.06 : 18,402.30 = 7,366.62 : x
  2. Step 2: Convert to fraction form
    13,335.06/18,402.30 = 7,366.62/x
  3. Step 3: Cross multiply
    13,335.06x = 18,402.30 × 7,366.62
  4. Step 4: Simplify right side
    13,335.06x = 135,562,751.23
  5. Step 5: Solve for x
    x = 135,562,751.23/13,335.06
  6. Step 6: Final answer
    x = 10,165.89

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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.