Home / 18,700.02-28,042.38-9,336.60

Finding the Fourth Proportional to 18,700.02, 28,042.38 and 9,336.60

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Solution

The fourth proportional to 18,700.02, 28,042.38 and 9,336.60 is: 14,001.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,700.02 : 28,042.38 = 9,336.60 : x
  2. Step 2: Convert to fraction form
    18,700.02/28,042.38 = 9,336.60/x
  3. Step 3: Cross multiply
    18,700.02x = 28,042.38 × 9,336.60
  4. Step 4: Simplify right side
    18,700.02x = 261,820,485.11
  5. Step 5: Solve for x
    x = 261,820,485.11/18,700.02
  6. Step 6: Final answer
    x = 14,001.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.