Home / 18,513.86-25,549.02-10,015.96

Finding the Fourth Proportional to 18,513.86, 25,549.02 and 10,015.96

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Solution

The fourth proportional to 18,513.86, 25,549.02 and 10,015.96 is: 13,821.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,513.86 : 25,549.02 = 10,015.96 : x
  2. Step 2: Convert to fraction form
    18,513.86/25,549.02 = 10,015.96/x
  3. Step 3: Cross multiply
    18,513.86x = 25,549.02 × 10,015.96
  4. Step 4: Simplify right side
    18,513.86x = 255,897,898.49
  5. Step 5: Solve for x
    x = 255,897,898.49/18,513.86
  6. Step 6: Final answer
    x = 13,821.96

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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.