Home / 19,889.51-29,769.33-14,623.13

Finding the Fourth Proportional to 19,889.51, 29,769.33 and 14,623.13

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Solution

The fourth proportional to 19,889.51, 29,769.33 and 14,623.13 is: 21,886.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,889.51 : 29,769.33 = 14,623.13 : x
  2. Step 2: Convert to fraction form
    19,889.51/29,769.33 = 14,623.13/x
  3. Step 3: Cross multiply
    19,889.51x = 29,769.33 × 14,623.13
  4. Step 4: Simplify right side
    19,889.51x = 435,320,782.60
  5. Step 5: Solve for x
    x = 435,320,782.60/19,889.51
  6. Step 6: Final answer
    x = 21,886.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.