Home / 19,509.85-26,923.39-10,557.16

Finding the Fourth Proportional to 19,509.85, 26,923.39 and 10,557.16

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Solution

The fourth proportional to 19,509.85, 26,923.39 and 10,557.16 is: 14,568.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,509.85 : 26,923.39 = 10,557.16 : x
  2. Step 2: Convert to fraction form
    19,509.85/26,923.39 = 10,557.16/x
  3. Step 3: Cross multiply
    19,509.85x = 26,923.39 × 10,557.16
  4. Step 4: Simplify right side
    19,509.85x = 284,234,535.97
  5. Step 5: Solve for x
    x = 284,234,535.97/19,509.85
  6. Step 6: Final answer
    x = 14,568.77

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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.