Home / 17,986.64-24,823.41-10,818.86

Finding the Fourth Proportional to 17,986.64, 24,823.41 and 10,818.86

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Solution

The fourth proportional to 17,986.64, 24,823.41 and 10,818.86 is: 14,931.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,986.64 : 24,823.41 = 10,818.86 : x
  2. Step 2: Convert to fraction form
    17,986.64/24,823.41 = 10,818.86/x
  3. Step 3: Cross multiply
    17,986.64x = 24,823.41 × 10,818.86
  4. Step 4: Simplify right side
    17,986.64x = 268,560,997.51
  5. Step 5: Solve for x
    x = 268,560,997.51/17,986.64
  6. Step 6: Final answer
    x = 14,931.14

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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.