Home / 18,360.73-25,339.06-10,403.02

Finding the Fourth Proportional to 18,360.73, 25,339.06 and 10,403.02

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Solution

The fourth proportional to 18,360.73, 25,339.06 and 10,403.02 is: 14,356.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,360.73 : 25,339.06 = 10,403.02 : x
  2. Step 2: Convert to fraction form
    18,360.73/25,339.06 = 10,403.02/x
  3. Step 3: Cross multiply
    18,360.73x = 25,339.06 × 10,403.02
  4. Step 4: Simplify right side
    18,360.73x = 263,602,747.96
  5. Step 5: Solve for x
    x = 263,602,747.96/18,360.73
  6. Step 6: Final answer
    x = 14,356.88

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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.