Home / 16,511.02-22,784.88-9,340.82

Finding the Fourth Proportional to 16,511.02, 22,784.88 and 9,340.82

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Solution

The fourth proportional to 16,511.02, 22,784.88 and 9,340.82 is: 12,890.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,511.02 : 22,784.88 = 9,340.82 : x
  2. Step 2: Convert to fraction form
    16,511.02/22,784.88 = 9,340.82/x
  3. Step 3: Cross multiply
    16,511.02x = 22,784.88 × 9,340.82
  4. Step 4: Simplify right side
    16,511.02x = 212,829,462.80
  5. Step 5: Solve for x
    x = 212,829,462.80/16,511.02
  6. Step 6: Final answer
    x = 12,890.15

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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.