Home / 17,960.81-24,784.15-10,003.78

Finding the Fourth Proportional to 17,960.81, 24,784.15 and 10,003.78

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Solution

The fourth proportional to 17,960.81, 24,784.15 and 10,003.78 is: 13,804.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,960.81 : 24,784.15 = 10,003.78 : x
  2. Step 2: Convert to fraction form
    17,960.81/24,784.15 = 10,003.78/x
  3. Step 3: Cross multiply
    17,960.81x = 24,784.15 × 10,003.78
  4. Step 4: Simplify right side
    17,960.81x = 247,935,084.61
  5. Step 5: Solve for x
    x = 247,935,084.61/17,960.81
  6. Step 6: Final answer
    x = 13,804.22

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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.