Home / 13,360.44-18,438.12-8,056.02

Finding the Fourth Proportional to 13,360.44, 18,438.12 and 8,056.02

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Solution

The fourth proportional to 13,360.44, 18,438.12 and 8,056.02 is: 11,117.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,360.44 : 18,438.12 = 8,056.02 : x
  2. Step 2: Convert to fraction form
    13,360.44/18,438.12 = 8,056.02/x
  3. Step 3: Cross multiply
    13,360.44x = 18,438.12 × 8,056.02
  4. Step 4: Simplify right side
    13,360.44x = 148,537,863.48
  5. Step 5: Solve for x
    x = 148,537,863.48/13,360.44
  6. Step 6: Final answer
    x = 11,117.74

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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.