Home / 13,392.34-20,088.81-3,532.61

Finding the Fourth Proportional to 13,392.34, 20,088.81 and 3,532.61

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Solution

The fourth proportional to 13,392.34, 20,088.81 and 3,532.61 is: 5,299.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,392.34 : 20,088.81 = 3,532.61 : x
  2. Step 2: Convert to fraction form
    13,392.34/20,088.81 = 3,532.61/x
  3. Step 3: Cross multiply
    13,392.34x = 20,088.81 × 3,532.61
  4. Step 4: Simplify right side
    13,392.34x = 70,965,981.32
  5. Step 5: Solve for x
    x = 70,965,981.32/13,392.34
  6. Step 6: Final answer
    x = 5,299.00

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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.