Home / 18,105.20-24,984.74-10,038.81

Finding the Fourth Proportional to 18,105.20, 24,984.74 and 10,038.81

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Solution

The fourth proportional to 18,105.20, 24,984.74 and 10,038.81 is: 13,853.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,105.20 : 24,984.74 = 10,038.81 : x
  2. Step 2: Convert to fraction form
    18,105.20/24,984.74 = 10,038.81/x
  3. Step 3: Cross multiply
    18,105.20x = 24,984.74 × 10,038.81
  4. Step 4: Simplify right side
    18,105.20x = 250,817,007.57
  5. Step 5: Solve for x
    x = 250,817,007.57/18,105.20
  6. Step 6: Final answer
    x = 13,853.32

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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.