Home / 13,543.36-20,317.59-6,148.34

Finding the Fourth Proportional to 13,543.36, 20,317.59 and 6,148.34

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Solution

The fourth proportional to 13,543.36, 20,317.59 and 6,148.34 is: 9,223.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,543.36 : 20,317.59 = 6,148.34 : x
  2. Step 2: Convert to fraction form
    13,543.36/20,317.59 = 6,148.34/x
  3. Step 3: Cross multiply
    13,543.36x = 20,317.59 × 6,148.34
  4. Step 4: Simplify right side
    13,543.36x = 124,919,451.30
  5. Step 5: Solve for x
    x = 124,919,451.30/13,543.36
  6. Step 6: Final answer
    x = 9,223.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.