Home / 15,980.36-23,981.13-5,592.11

Finding the Fourth Proportional to 15,980.36, 23,981.13 and 5,592.11

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Solution

The fourth proportional to 15,980.36, 23,981.13 and 5,592.11 is: 8,391.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,980.36 : 23,981.13 = 5,592.11 : x
  2. Step 2: Convert to fraction form
    15,980.36/23,981.13 = 5,592.11/x
  3. Step 3: Cross multiply
    15,980.36x = 23,981.13 × 5,592.11
  4. Step 4: Simplify right side
    15,980.36x = 134,104,996.98
  5. Step 5: Solve for x
    x = 134,104,996.98/15,980.36
  6. Step 6: Final answer
    x = 8,391.87

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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.