Home / 19,896.90-27,457.15-10,944.40

Finding the Fourth Proportional to 19,896.90, 27,457.15 and 10,944.40

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Solution

The fourth proportional to 19,896.90, 27,457.15 and 10,944.40 is: 15,102.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,896.90 : 27,457.15 = 10,944.40 : x
  2. Step 2: Convert to fraction form
    19,896.90/27,457.15 = 10,944.40/x
  3. Step 3: Cross multiply
    19,896.90x = 27,457.15 × 10,944.40
  4. Step 4: Simplify right side
    19,896.90x = 300,502,108.90
  5. Step 5: Solve for x
    x = 300,502,108.90/19,896.90
  6. Step 6: Final answer
    x = 15,102.96

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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.