Home / 16,055.07-22,156.16-9,681.99

Finding the Fourth Proportional to 16,055.07, 22,156.16 and 9,681.99

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Solution

The fourth proportional to 16,055.07, 22,156.16 and 9,681.99 is: 13,361.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,055.07 : 22,156.16 = 9,681.99 : x
  2. Step 2: Convert to fraction form
    16,055.07/22,156.16 = 9,681.99/x
  3. Step 3: Cross multiply
    16,055.07x = 22,156.16 × 9,681.99
  4. Step 4: Simplify right side
    16,055.07x = 214,515,671.15
  5. Step 5: Solve for x
    x = 214,515,671.15/16,055.07
  6. Step 6: Final answer
    x = 13,361.24

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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.