Home / 13,315.27-18,374.76-7,346.94

Finding the Fourth Proportional to 13,315.27, 18,374.76 and 7,346.94

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Solution

The fourth proportional to 13,315.27, 18,374.76 and 7,346.94 is: 10,138.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,315.27 : 18,374.76 = 7,346.94 : x
  2. Step 2: Convert to fraction form
    13,315.27/18,374.76 = 7,346.94/x
  3. Step 3: Cross multiply
    13,315.27x = 18,374.76 × 7,346.94
  4. Step 4: Simplify right side
    13,315.27x = 134,998,259.23
  5. Step 5: Solve for x
    x = 134,998,259.23/13,315.27
  6. Step 6: Final answer
    x = 10,138.60

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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.