Home / 19,643.50-27,110.76-12,584.96

Finding the Fourth Proportional to 19,643.50, 27,110.76 and 12,584.96

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Solution

The fourth proportional to 19,643.50, 27,110.76 and 12,584.96 is: 17,368.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,643.50 : 27,110.76 = 12,584.96 : x
  2. Step 2: Convert to fraction form
    19,643.50/27,110.76 = 12,584.96/x
  3. Step 3: Cross multiply
    19,643.50x = 27,110.76 × 12,584.96
  4. Step 4: Simplify right side
    19,643.50x = 341,187,830.17
  5. Step 5: Solve for x
    x = 341,187,830.17/19,643.50
  6. Step 6: Final answer
    x = 17,368.99

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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.