Home / 13,465.05-18,581.09-7,497.24

Finding the Fourth Proportional to 13,465.05, 18,581.09 and 7,497.24

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Solution

The fourth proportional to 13,465.05, 18,581.09 and 7,497.24 is: 10,345.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,465.05 : 18,581.09 = 7,497.24 : x
  2. Step 2: Convert to fraction form
    13,465.05/18,581.09 = 7,497.24/x
  3. Step 3: Cross multiply
    13,465.05x = 18,581.09 × 7,497.24
  4. Step 4: Simplify right side
    13,465.05x = 139,306,891.19
  5. Step 5: Solve for x
    x = 139,306,891.19/13,465.05
  6. Step 6: Final answer
    x = 10,345.81

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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.