Home / 19,688.85-27,170.28-10,736.37

Finding the Fourth Proportional to 19,688.85, 27,170.28 and 10,736.37

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Solution

The fourth proportional to 19,688.85, 27,170.28 and 10,736.37 is: 14,816.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,688.85 : 27,170.28 = 10,736.37 : x
  2. Step 2: Convert to fraction form
    19,688.85/27,170.28 = 10,736.37/x
  3. Step 3: Cross multiply
    19,688.85x = 27,170.28 × 10,736.37
  4. Step 4: Simplify right side
    19,688.85x = 291,710,179.08
  5. Step 5: Solve for x
    x = 291,710,179.08/19,688.85
  6. Step 6: Final answer
    x = 14,816.01

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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.