Home / 19,463.87-26,828.60-15,207.51

Finding the Fourth Proportional to 19,463.87, 26,828.60 and 15,207.51

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Solution

The fourth proportional to 19,463.87, 26,828.60 and 15,207.51 is: 20,961.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,463.87 : 26,828.60 = 15,207.51 : x
  2. Step 2: Convert to fraction form
    19,463.87/26,828.60 = 15,207.51/x
  3. Step 3: Cross multiply
    19,463.87x = 26,828.60 × 15,207.51
  4. Step 4: Simplify right side
    19,463.87x = 407,996,119.52
  5. Step 5: Solve for x
    x = 407,996,119.52/19,463.87
  6. Step 6: Final answer
    x = 20,961.71

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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.