Home / 19,856.18-27,401.99-10,903.16

Finding the Fourth Proportional to 19,856.18, 27,401.99 and 10,903.16

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Solution

The fourth proportional to 19,856.18, 27,401.99 and 10,903.16 is: 15,046.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,856.18 : 27,401.99 = 10,903.16 : x
  2. Step 2: Convert to fraction form
    19,856.18/27,401.99 = 10,903.16/x
  3. Step 3: Cross multiply
    19,856.18x = 27,401.99 × 10,903.16
  4. Step 4: Simplify right side
    19,856.18x = 298,768,281.29
  5. Step 5: Solve for x
    x = 298,768,281.29/19,856.18
  6. Step 6: Final answer
    x = 15,046.61

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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.