Home / 19,898.35-27,463.63-11,406.17

Finding the Fourth Proportional to 19,898.35, 27,463.63 and 11,406.17

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Solution

The fourth proportional to 19,898.35, 27,463.63 and 11,406.17 is: 15,742.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,898.35 : 27,463.63 = 11,406.17 : x
  2. Step 2: Convert to fraction form
    19,898.35/27,463.63 = 11,406.17/x
  3. Step 3: Cross multiply
    19,898.35x = 27,463.63 × 11,406.17
  4. Step 4: Simplify right side
    19,898.35x = 313,254,832.60
  5. Step 5: Solve for x
    x = 313,254,832.60/19,898.35
  6. Step 6: Final answer
    x = 15,742.75

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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.