Home / 13,262.49-18,296.15-7,670.25

Finding the Fourth Proportional to 13,262.49, 18,296.15 and 7,670.25

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Solution

The fourth proportional to 13,262.49, 18,296.15 and 7,670.25 is: 10,581.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,262.49 : 18,296.15 = 7,670.25 : x
  2. Step 2: Convert to fraction form
    13,262.49/18,296.15 = 7,670.25/x
  3. Step 3: Cross multiply
    13,262.49x = 18,296.15 × 7,670.25
  4. Step 4: Simplify right side
    13,262.49x = 140,336,006.19
  5. Step 5: Solve for x
    x = 140,336,006.19/13,262.49
  6. Step 6: Final answer
    x = 10,581.42

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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.