Home / 13,592.67-18,748.40-13,135.46

Finding the Fourth Proportional to 13,592.67, 18,748.40 and 13,135.46

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Solution

The fourth proportional to 13,592.67, 18,748.40 and 13,135.46 is: 18,117.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,592.67 : 18,748.40 = 13,135.46 : x
  2. Step 2: Convert to fraction form
    13,592.67/18,748.40 = 13,135.46/x
  3. Step 3: Cross multiply
    13,592.67x = 18,748.40 × 13,135.46
  4. Step 4: Simplify right side
    13,592.67x = 246,268,818.41
  5. Step 5: Solve for x
    x = 246,268,818.41/13,592.67
  6. Step 6: Final answer
    x = 18,117.77

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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.