Home / 28,102.02-38,784.66-16,165.14

Finding the Fourth Proportional to 28,102.02, 38,784.66 and 16,165.14

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Solution

The fourth proportional to 28,102.02, 38,784.66 and 16,165.14 is: 22,310.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,102.02 : 38,784.66 = 16,165.14 : x
  2. Step 2: Convert to fraction form
    28,102.02/38,784.66 = 16,165.14/x
  3. Step 3: Cross multiply
    28,102.02x = 38,784.66 × 16,165.14
  4. Step 4: Simplify right side
    28,102.02x = 626,959,458.75
  5. Step 5: Solve for x
    x = 626,959,458.75/28,102.02
  6. Step 6: Final answer
    x = 22,310.12

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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.