Home / 19,709.05-27,199.07-10,757.13

Finding the Fourth Proportional to 19,709.05, 27,199.07 and 10,757.13

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Solution

The fourth proportional to 19,709.05, 27,199.07 and 10,757.13 is: 14,845.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,709.05 : 27,199.07 = 10,757.13 : x
  2. Step 2: Convert to fraction form
    19,709.05/27,199.07 = 10,757.13/x
  3. Step 3: Cross multiply
    19,709.05x = 27,199.07 × 10,757.13
  4. Step 4: Simplify right side
    19,709.05x = 292,583,931.87
  5. Step 5: Solve for x
    x = 292,583,931.87/19,709.05
  6. Step 6: Final answer
    x = 14,845.16

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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.