Home / 19,509.80-26,923.50-10,557.27

Finding the Fourth Proportional to 19,509.80, 26,923.50 and 10,557.27

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Solution

The fourth proportional to 19,509.80, 26,923.50 and 10,557.27 is: 14,569.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,509.80 : 26,923.50 = 10,557.27 : x
  2. Step 2: Convert to fraction form
    19,509.80/26,923.50 = 10,557.27/x
  3. Step 3: Cross multiply
    19,509.80x = 26,923.50 × 10,557.27
  4. Step 4: Simplify right side
    19,509.80x = 284,238,658.85
  5. Step 5: Solve for x
    x = 284,238,658.85/19,509.80
  6. Step 6: Final answer
    x = 14,569.02

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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.