Home / 18,827.03-25,981.65-10,329.59

Finding the Fourth Proportional to 18,827.03, 25,981.65 and 10,329.59

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Solution

The fourth proportional to 18,827.03, 25,981.65 and 10,329.59 is: 14,255.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,827.03 : 25,981.65 = 10,329.59 : x
  2. Step 2: Convert to fraction form
    18,827.03/25,981.65 = 10,329.59/x
  3. Step 3: Cross multiply
    18,827.03x = 25,981.65 × 10,329.59
  4. Step 4: Simplify right side
    18,827.03x = 268,379,662.12
  5. Step 5: Solve for x
    x = 268,379,662.12/18,827.03
  6. Step 6: Final answer
    x = 14,255.02

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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.