Home / 26,428.12-36,471.06-14,491.15

Finding the Fourth Proportional to 26,428.12, 36,471.06 and 14,491.15

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Solution

The fourth proportional to 26,428.12, 36,471.06 and 14,491.15 is: 19,997.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,428.12 : 36,471.06 = 14,491.15 : x
  2. Step 2: Convert to fraction form
    26,428.12/36,471.06 = 14,491.15/x
  3. Step 3: Cross multiply
    26,428.12x = 36,471.06 × 14,491.15
  4. Step 4: Simplify right side
    26,428.12x = 528,507,509.94
  5. Step 5: Solve for x
    x = 528,507,509.94/26,428.12
  6. Step 6: Final answer
    x = 19,997.92

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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.