Home / 16,158.98-22,293.02-11,920.25

Finding the Fourth Proportional to 16,158.98, 22,293.02 and 11,920.25

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Solution

The fourth proportional to 16,158.98, 22,293.02 and 11,920.25 is: 16,445.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,158.98 : 22,293.02 = 11,920.25 : x
  2. Step 2: Convert to fraction form
    16,158.98/22,293.02 = 11,920.25/x
  3. Step 3: Cross multiply
    16,158.98x = 22,293.02 × 11,920.25
  4. Step 4: Simplify right side
    16,158.98x = 265,738,200.59
  5. Step 5: Solve for x
    x = 265,738,200.59/16,158.98
  6. Step 6: Final answer
    x = 16,445.24

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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.