Home / 35,722.47-53,578.41-9,429.06

Finding the Fourth Proportional to 35,722.47, 53,578.41 and 9,429.06

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Solution

The fourth proportional to 35,722.47, 53,578.41 and 9,429.06 is: 14,142.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,722.47 : 53,578.41 = 9,429.06 : x
  2. Step 2: Convert to fraction form
    35,722.47/53,578.41 = 9,429.06/x
  3. Step 3: Cross multiply
    35,722.47x = 53,578.41 × 9,429.06
  4. Step 4: Simplify right side
    35,722.47x = 505,194,042.59
  5. Step 5: Solve for x
    x = 505,194,042.59/35,722.47
  6. Step 6: Final answer
    x = 14,142.19

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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.