Home / 19,897.32-27,457.92-10,944.30

Finding the Fourth Proportional to 19,897.32, 27,457.92 and 10,944.30

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Solution

The fourth proportional to 19,897.32, 27,457.92 and 10,944.30 is: 15,102.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,897.32 : 27,457.92 = 10,944.30 : x
  2. Step 2: Convert to fraction form
    19,897.32/27,457.92 = 10,944.30/x
  3. Step 3: Cross multiply
    19,897.32x = 27,457.92 × 10,944.30
  4. Step 4: Simplify right side
    19,897.32x = 300,507,713.86
  5. Step 5: Solve for x
    x = 300,507,713.86/19,897.32
  6. Step 6: Final answer
    x = 15,102.92

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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.