Home / 13,167.01-18,176.45-8,393.51

Finding the Fourth Proportional to 13,167.01, 18,176.45 and 8,393.51

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Solution

The fourth proportional to 13,167.01, 18,176.45 and 8,393.51 is: 11,586.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,167.01 : 18,176.45 = 8,393.51 : x
  2. Step 2: Convert to fraction form
    13,167.01/18,176.45 = 8,393.51/x
  3. Step 3: Cross multiply
    13,167.01x = 18,176.45 × 8,393.51
  4. Step 4: Simplify right side
    13,167.01x = 152,564,214.84
  5. Step 5: Solve for x
    x = 152,564,214.84/13,167.01
  6. Step 6: Final answer
    x = 11,586.85

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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.