Home / 14,472.08-19,965.12-11,108.96

Finding the Fourth Proportional to 14,472.08, 19,965.12 and 11,108.96

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Solution

The fourth proportional to 14,472.08, 19,965.12 and 11,108.96 is: 15,325.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,472.08 : 19,965.12 = 11,108.96 : x
  2. Step 2: Convert to fraction form
    14,472.08/19,965.12 = 11,108.96/x
  3. Step 3: Cross multiply
    14,472.08x = 19,965.12 × 11,108.96
  4. Step 4: Simplify right side
    14,472.08x = 221,791,719.48
  5. Step 5: Solve for x
    x = 221,791,719.48/14,472.08
  6. Step 6: Final answer
    x = 15,325.49

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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.