Home / 13,315.61-18,376.44-7,652.19

Finding the Fourth Proportional to 13,315.61, 18,376.44 and 7,652.19

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Solution

The fourth proportional to 13,315.61, 18,376.44 and 7,652.19 is: 10,560.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,315.61 : 18,376.44 = 7,652.19 : x
  2. Step 2: Convert to fraction form
    13,315.61/18,376.44 = 7,652.19/x
  3. Step 3: Cross multiply
    13,315.61x = 18,376.44 × 7,652.19
  4. Step 4: Simplify right side
    13,315.61x = 140,620,050.62
  5. Step 5: Solve for x
    x = 140,620,050.62/13,315.61
  6. Step 6: Final answer
    x = 10,560.54

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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.