Home / 13,501.07-18,631.43-7,532.75

Finding the Fourth Proportional to 13,501.07, 18,631.43 and 7,532.75

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Solution

The fourth proportional to 13,501.07, 18,631.43 and 7,532.75 is: 10,395.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,501.07 : 18,631.43 = 7,532.75 : x
  2. Step 2: Convert to fraction form
    13,501.07/18,631.43 = 7,532.75/x
  3. Step 3: Cross multiply
    13,501.07x = 18,631.43 × 7,532.75
  4. Step 4: Simplify right side
    13,501.07x = 140,345,904.33
  5. Step 5: Solve for x
    x = 140,345,904.33/13,501.07
  6. Step 6: Final answer
    x = 10,395.17

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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.