Home / 18,117.66-25,002.62-10,946.58

Finding the Fourth Proportional to 18,117.66, 25,002.62 and 10,946.58

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Solution

The fourth proportional to 18,117.66, 25,002.62 and 10,946.58 is: 15,106.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,117.66 : 25,002.62 = 10,946.58 : x
  2. Step 2: Convert to fraction form
    18,117.66/25,002.62 = 10,946.58/x
  3. Step 3: Cross multiply
    18,117.66x = 25,002.62 × 10,946.58
  4. Step 4: Simplify right side
    18,117.66x = 273,693,134.17
  5. Step 5: Solve for x
    x = 273,693,134.17/18,117.66
  6. Step 6: Final answer
    x = 15,106.43

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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.