Home / 13,495.25-18,623.65-7,527.38

Finding the Fourth Proportional to 13,495.25, 18,623.65 and 7,527.38

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Solution

The fourth proportional to 13,495.25, 18,623.65 and 7,527.38 is: 10,387.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,495.25 : 18,623.65 = 7,527.38 : x
  2. Step 2: Convert to fraction form
    13,495.25/18,623.65 = 7,527.38/x
  3. Step 3: Cross multiply
    13,495.25x = 18,623.65 × 7,527.38
  4. Step 4: Simplify right side
    13,495.25x = 140,187,178.60
  5. Step 5: Solve for x
    x = 140,187,178.60/13,495.25
  6. Step 6: Final answer
    x = 10,387.89

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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.