Home / 14,471.15-19,943.54-11,937.87

Finding the Fourth Proportional to 14,471.15, 19,943.54 and 11,937.87

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Solution

The fourth proportional to 14,471.15, 19,943.54 and 11,937.87 is: 16,452.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,471.15 : 19,943.54 = 11,937.87 : x
  2. Step 2: Convert to fraction form
    14,471.15/19,943.54 = 11,937.87/x
  3. Step 3: Cross multiply
    14,471.15x = 19,943.54 × 11,937.87
  4. Step 4: Simplify right side
    14,471.15x = 238,083,328.17
  5. Step 5: Solve for x
    x = 238,083,328.17/14,471.15
  6. Step 6: Final answer
    x = 16,452.28

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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.