Home / 13,106.67-18,104.90-10,472.55

Finding the Fourth Proportional to 13,106.67, 18,104.90 and 10,472.55

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Solution

The fourth proportional to 13,106.67, 18,104.90 and 10,472.55 is: 14,466.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,106.67 : 18,104.90 = 10,472.55 : x
  2. Step 2: Convert to fraction form
    13,106.67/18,104.90 = 10,472.55/x
  3. Step 3: Cross multiply
    13,106.67x = 18,104.90 × 10,472.55
  4. Step 4: Simplify right side
    13,106.67x = 189,604,418.13
  5. Step 5: Solve for x
    x = 189,604,418.13/13,106.67
  6. Step 6: Final answer
    x = 14,466.25

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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.