Home / 13,342.13-18,411.86-7,373.67

Finding the Fourth Proportional to 13,342.13, 18,411.86 and 7,373.67

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Solution

The fourth proportional to 13,342.13, 18,411.86 and 7,373.67 is: 10,175.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,342.13 : 18,411.86 = 7,373.67 : x
  2. Step 2: Convert to fraction form
    13,342.13/18,411.86 = 7,373.67/x
  3. Step 3: Cross multiply
    13,342.13x = 18,411.86 × 7,373.67
  4. Step 4: Simplify right side
    13,342.13x = 135,762,998.16
  5. Step 5: Solve for x
    x = 135,762,998.16/13,342.13
  6. Step 6: Final answer
    x = 10,175.51

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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.