Home / 18,363.28-27,542.70-5,037.36

Finding the Fourth Proportional to 18,363.28, 27,542.70 and 5,037.36

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Solution

The fourth proportional to 18,363.28, 27,542.70 and 5,037.36 is: 7,555.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,363.28 : 27,542.70 = 5,037.36 : x
  2. Step 2: Convert to fraction form
    18,363.28/27,542.70 = 5,037.36/x
  3. Step 3: Cross multiply
    18,363.28x = 27,542.70 × 5,037.36
  4. Step 4: Simplify right side
    18,363.28x = 138,742,547.86
  5. Step 5: Solve for x
    x = 138,742,547.86/18,363.28
  6. Step 6: Final answer
    x = 7,555.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.