Home / 14,027.88-19,357.98-8,437.80

Finding the Fourth Proportional to 14,027.88, 19,357.98 and 8,437.80

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Solution

The fourth proportional to 14,027.88, 19,357.98 and 8,437.80 is: 11,643.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,027.88 : 19,357.98 = 8,437.80 : x
  2. Step 2: Convert to fraction form
    14,027.88/19,357.98 = 8,437.80/x
  3. Step 3: Cross multiply
    14,027.88x = 19,357.98 × 8,437.80
  4. Step 4: Simplify right side
    14,027.88x = 163,338,763.64
  5. Step 5: Solve for x
    x = 163,338,763.64/14,027.88
  6. Step 6: Final answer
    x = 11,643.87

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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.