Home / 19,866.86-27,424.08-11,907.55

Finding the Fourth Proportional to 19,866.86, 27,424.08 and 11,907.55

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Solution

The fourth proportional to 19,866.86, 27,424.08 and 11,907.55 is: 16,437.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,866.86 : 27,424.08 = 11,907.55 : x
  2. Step 2: Convert to fraction form
    19,866.86/27,424.08 = 11,907.55/x
  3. Step 3: Cross multiply
    19,866.86x = 27,424.08 × 11,907.55
  4. Step 4: Simplify right side
    19,866.86x = 326,553,535.24
  5. Step 5: Solve for x
    x = 326,553,535.24/19,866.86
  6. Step 6: Final answer
    x = 16,437.10

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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.