Home / 19,688.04-27,168.60-10,735.56

Finding the Fourth Proportional to 19,688.04, 27,168.60 and 10,735.56

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Solution

The fourth proportional to 19,688.04, 27,168.60 and 10,735.56 is: 14,814.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,688.04 : 27,168.60 = 10,735.56 : x
  2. Step 2: Convert to fraction form
    19,688.04/27,168.60 = 10,735.56/x
  3. Step 3: Cross multiply
    19,688.04x = 27,168.60 × 10,735.56
  4. Step 4: Simplify right side
    19,688.04x = 291,670,135.42
  5. Step 5: Solve for x
    x = 291,670,135.42/19,688.04
  6. Step 6: Final answer
    x = 14,814.58

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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.