Home / 13,451.16-18,524.04-13,407.36

Finding the Fourth Proportional to 13,451.16, 18,524.04 and 13,407.36

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Solution

The fourth proportional to 13,451.16, 18,524.04 and 13,407.36 is: 18,463.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,451.16 : 18,524.04 = 13,407.36 : x
  2. Step 2: Convert to fraction form
    13,451.16/18,524.04 = 13,407.36/x
  3. Step 3: Cross multiply
    13,451.16x = 18,524.04 × 13,407.36
  4. Step 4: Simplify right side
    13,451.16x = 248,358,472.93
  5. Step 5: Solve for x
    x = 248,358,472.93/13,451.16
  6. Step 6: Final answer
    x = 18,463.72

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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.