Home / 16,428.02-22,670.65-8,874.35

Finding the Fourth Proportional to 16,428.02, 22,670.65 and 8,874.35

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Solution

The fourth proportional to 16,428.02, 22,670.65 and 8,874.35 is: 12,246.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,428.02 : 22,670.65 = 8,874.35 : x
  2. Step 2: Convert to fraction form
    16,428.02/22,670.65 = 8,874.35/x
  3. Step 3: Cross multiply
    16,428.02x = 22,670.65 × 8,874.35
  4. Step 4: Simplify right side
    16,428.02x = 201,187,367.24
  5. Step 5: Solve for x
    x = 201,187,367.24/16,428.02
  6. Step 6: Final answer
    x = 12,246.60

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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.