Home / 18,311.02-25,269.48-9,927.52

Finding the Fourth Proportional to 18,311.02, 25,269.48 and 9,927.52

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Solution

The fourth proportional to 18,311.02, 25,269.48 and 9,927.52 is: 13,700.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,311.02 : 25,269.48 = 9,927.52 : x
  2. Step 2: Convert to fraction form
    18,311.02/25,269.48 = 9,927.52/x
  3. Step 3: Cross multiply
    18,311.02x = 25,269.48 × 9,927.52
  4. Step 4: Simplify right side
    18,311.02x = 250,863,268.09
  5. Step 5: Solve for x
    x = 250,863,268.09/18,311.02
  6. Step 6: Final answer
    x = 13,700.13

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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.