Home / 19,376.57-26,740.55-11,419.13

Finding the Fourth Proportional to 19,376.57, 26,740.55 and 11,419.13

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Solution

The fourth proportional to 19,376.57, 26,740.55 and 11,419.13 is: 15,758.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,376.57 : 26,740.55 = 11,419.13 : x
  2. Step 2: Convert to fraction form
    19,376.57/26,740.55 = 11,419.13/x
  3. Step 3: Cross multiply
    19,376.57x = 26,740.55 × 11,419.13
  4. Step 4: Simplify right side
    19,376.57x = 305,353,816.72
  5. Step 5: Solve for x
    x = 305,353,816.72/19,376.57
  6. Step 6: Final answer
    x = 15,758.92

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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.