Home / 13,742.47-20,581.62-10,035.51

Finding the Fourth Proportional to 13,742.47, 20,581.62 and 10,035.51

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Solution

The fourth proportional to 13,742.47, 20,581.62 and 10,035.51 is: 15,029.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,742.47 : 20,581.62 = 10,035.51 : x
  2. Step 2: Convert to fraction form
    13,742.47/20,581.62 = 10,035.51/x
  3. Step 3: Cross multiply
    13,742.47x = 20,581.62 × 10,035.51
  4. Step 4: Simplify right side
    13,742.47x = 206,547,053.33
  5. Step 5: Solve for x
    x = 206,547,053.33/13,742.47
  6. Step 6: Final answer
    x = 15,029.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.