Home / 29,997.81-45,004.91-13,127.76

Finding the Fourth Proportional to 29,997.81, 45,004.91 and 13,127.76

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Solution

The fourth proportional to 29,997.81, 45,004.91 and 13,127.76 is: 19,695.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,997.81 : 45,004.91 = 13,127.76 : x
  2. Step 2: Convert to fraction form
    29,997.81/45,004.91 = 13,127.76/x
  3. Step 3: Cross multiply
    29,997.81x = 45,004.91 × 13,127.76
  4. Step 4: Simplify right side
    29,997.81x = 590,813,432.28
  5. Step 5: Solve for x
    x = 590,813,432.28/29,997.81
  6. Step 6: Final answer
    x = 19,695.22

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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.