Home / 18,833.38-25,990.55-10,335.87

Finding the Fourth Proportional to 18,833.38, 25,990.55 and 10,335.87

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Solution

The fourth proportional to 18,833.38, 25,990.55 and 10,335.87 is: 14,263.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,833.38 : 25,990.55 = 10,335.87 : x
  2. Step 2: Convert to fraction form
    18,833.38/25,990.55 = 10,335.87/x
  3. Step 3: Cross multiply
    18,833.38x = 25,990.55 × 10,335.87
  4. Step 4: Simplify right side
    18,833.38x = 268,634,946.03
  5. Step 5: Solve for x
    x = 268,634,946.03/18,833.38
  6. Step 6: Final answer
    x = 14,263.77

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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.