Home / 18,513.59-25,548.65-10,015.69

Finding the Fourth Proportional to 18,513.59, 25,548.65 and 10,015.69

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Solution

The fourth proportional to 18,513.59, 25,548.65 and 10,015.69 is: 13,821.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,513.59 : 25,548.65 = 10,015.69 : x
  2. Step 2: Convert to fraction form
    18,513.59/25,548.65 = 10,015.69/x
  3. Step 3: Cross multiply
    18,513.59x = 25,548.65 × 10,015.69
  4. Step 4: Simplify right side
    18,513.59x = 255,887,234.02
  5. Step 5: Solve for x
    x = 255,887,234.02/18,513.59
  6. Step 6: Final answer
    x = 13,821.59

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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.