Home / 29,467.09-40,712.14-20,554.38

Finding the Fourth Proportional to 29,467.09, 40,712.14 and 20,554.38

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Solution

The fourth proportional to 29,467.09, 40,712.14 and 20,554.38 is: 28,398.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,467.09 : 40,712.14 = 20,554.38 : x
  2. Step 2: Convert to fraction form
    29,467.09/40,712.14 = 20,554.38/x
  3. Step 3: Cross multiply
    29,467.09x = 40,712.14 × 20,554.38
  4. Step 4: Simplify right side
    29,467.09x = 836,812,994.18
  5. Step 5: Solve for x
    x = 836,812,994.18/29,467.09
  6. Step 6: Final answer
    x = 28,398.22

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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.