Home / 13,557.36-20,332.12-4,672.32

Finding the Fourth Proportional to 13,557.36, 20,332.12 and 4,672.32

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Solution

The fourth proportional to 13,557.36, 20,332.12 and 4,672.32 is: 7,007.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,557.36 : 20,332.12 = 4,672.32 : x
  2. Step 2: Convert to fraction form
    13,557.36/20,332.12 = 4,672.32/x
  3. Step 3: Cross multiply
    13,557.36x = 20,332.12 × 4,672.32
  4. Step 4: Simplify right side
    13,557.36x = 94,998,170.92
  5. Step 5: Solve for x
    x = 94,998,170.92/13,557.36
  6. Step 6: Final answer
    x = 7,007.13

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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.