Home / 13,316.55-18,376.71-7,348.27

Finding the Fourth Proportional to 13,316.55, 18,376.71 and 7,348.27

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Solution

The fourth proportional to 13,316.55, 18,376.71 and 7,348.27 is: 10,140.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,316.55 : 18,376.71 = 7,348.27 : x
  2. Step 2: Convert to fraction form
    13,316.55/18,376.71 = 7,348.27/x
  3. Step 3: Cross multiply
    13,316.55x = 18,376.71 × 7,348.27
  4. Step 4: Simplify right side
    13,316.55x = 135,037,026.79
  5. Step 5: Solve for x
    x = 135,037,026.79/13,316.55
  6. Step 6: Final answer
    x = 10,140.54

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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.