Home / 19,509.47-26,922.98-10,557.13

Finding the Fourth Proportional to 19,509.47, 26,922.98 and 10,557.13

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Solution

The fourth proportional to 19,509.47, 26,922.98 and 10,557.13 is: 14,568.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,509.47 : 26,922.98 = 10,557.13 : x
  2. Step 2: Convert to fraction form
    19,509.47/26,922.98 = 10,557.13/x
  3. Step 3: Cross multiply
    19,509.47x = 26,922.98 × 10,557.13
  4. Step 4: Simplify right side
    19,509.47x = 284,229,399.85
  5. Step 5: Solve for x
    x = 284,229,399.85/19,509.47
  6. Step 6: Final answer
    x = 14,568.79

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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.