Home / 16,053.85-22,155.96-9,681.31

Finding the Fourth Proportional to 16,053.85, 22,155.96 and 9,681.31

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Solution

The fourth proportional to 16,053.85, 22,155.96 and 9,681.31 is: 13,361.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,053.85 : 22,155.96 = 9,681.31 : x
  2. Step 2: Convert to fraction form
    16,053.85/22,155.96 = 9,681.31/x
  3. Step 3: Cross multiply
    16,053.85x = 22,155.96 × 9,681.31
  4. Step 4: Simplify right side
    16,053.85x = 214,498,717.11
  5. Step 5: Solve for x
    x = 214,498,717.11/16,053.85
  6. Step 6: Final answer
    x = 13,361.20

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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.