Home / 13,305.24-18,361.35-7,337.16

Finding the Fourth Proportional to 13,305.24, 18,361.35 and 7,337.16

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Solution

The fourth proportional to 13,305.24, 18,361.35 and 7,337.16 is: 10,125.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305.24 : 18,361.35 = 7,337.16 : x
  2. Step 2: Convert to fraction form
    13,305.24/18,361.35 = 7,337.16/x
  3. Step 3: Cross multiply
    13,305.24x = 18,361.35 × 7,337.16
  4. Step 4: Simplify right side
    13,305.24x = 134,720,162.77
  5. Step 5: Solve for x
    x = 134,720,162.77/13,305.24
  6. Step 6: Final answer
    x = 10,125.35

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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.