Home / 16,116.80-22,240.86-9,045.50

Finding the Fourth Proportional to 16,116.80, 22,240.86 and 9,045.50

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Solution

The fourth proportional to 16,116.80, 22,240.86 and 9,045.50 is: 12,482.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,116.80 : 22,240.86 = 9,045.50 : x
  2. Step 2: Convert to fraction form
    16,116.80/22,240.86 = 9,045.50/x
  3. Step 3: Cross multiply
    16,116.80x = 22,240.86 × 9,045.50
  4. Step 4: Simplify right side
    16,116.80x = 201,179,699.13
  5. Step 5: Solve for x
    x = 201,179,699.13/16,116.80
  6. Step 6: Final answer
    x = 12,482.61

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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.