Home / 13,244.07-18,275.91-7,275.99

Finding the Fourth Proportional to 13,244.07, 18,275.91 and 7,275.99

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Solution

The fourth proportional to 13,244.07, 18,275.91 and 7,275.99 is: 10,040.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,244.07 : 18,275.91 = 7,275.99 : x
  2. Step 2: Convert to fraction form
    13,244.07/18,275.91 = 7,275.99/x
  3. Step 3: Cross multiply
    13,244.07x = 18,275.91 × 7,275.99
  4. Step 4: Simplify right side
    13,244.07x = 132,975,338.40
  5. Step 5: Solve for x
    x = 132,975,338.40/13,244.07
  6. Step 6: Final answer
    x = 10,040.37

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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.